-32.07% is the change from 502 to 341
Calculation steps:
[( 341 - 502 ) ÷ 502] x 100 = -32.07%
Formula
Percentage change = [(341 - 502) / 502] x 100
Subtract the new number by the original number
341 - 502 = -161
-161 ÷ 502 = -0.3207171314741036
-0.3207171314741036 x 100 = -32.07%