-29.08% is the change from 502 to 356
Calculation steps:
[( 356 - 502 ) ÷ 502] x 100 = -29.08%
Formula
Percentage change = [(356 - 502) / 502] x 100
Subtract the new number by the original number
356 - 502 = -146
-146 ÷ 502 = -0.2908366533864542
-0.2908366533864542 x 100 = -29.08%