-29.68% is the change from 502 to 353
Calculation steps:
[( 353 - 502 ) ÷ 502] x 100 = -29.68%
Formula
Percentage change = [(353 - 502) / 502] x 100
Subtract the new number by the original number
353 - 502 = -149
-149 ÷ 502 = -0.2968127490039841
-0.2968127490039841 x 100 = -29.68%