-13.94% is the change from 502 to 432
Calculation steps:
[( 432 - 502 ) ÷ 502] x 100 = -13.94%
Formula
Percentage change = [(432 - 502) / 502] x 100
Subtract the new number by the original number
432 - 502 = -70
-70 ÷ 502 = -0.1394422310756972
-0.1394422310756972 x 100 = -13.94%