-82.47% is the change from 502 to 88
Calculation steps:
[( 88 - 502 ) ÷ 502] x 100 = -82.47%
Formula
Percentage change = [(88 - 502) / 502] x 100
Subtract the new number by the original number
88 - 502 = -414
-414 ÷ 502 = -0.8247011952191236
-0.8247011952191236 x 100 = -82.47%