To convert from slope to percent grade, multiply the slope by a hundred.Cancel the common factor of .Tap for more steps…Factor out of .Factor out of .Cancel the common factor.Rewrite the expression.Combine and .Multiply by . Convert the Slope to Percent Grade 5/12 Do you need help with math? Try our mobile app Our app allows students to get instant step-by-step solutions to all kinds of math troubles. Try it for Free! Our MATH EXPERTS JackHudson Charlie Trom Lucy Evel