-17.73% is the change from 502 to 413
Calculation steps:
[( 413 - 502 ) ÷ 502] x 100 = -17.73%
Formula
Percentage change = [(413 - 502) / 502] x 100
Subtract the new number by the original number
413 - 502 = -89
-89 ÷ 502 = -0.17729083665338646
-0.17729083665338646 x 100 = -17.73%