-43.03% is the change from 502 to 286
Calculation steps:
[( 286 - 502 ) ÷ 502] x 100 = -43.03%
Formula
Percentage change = [(286 - 502) / 502] x 100
Subtract the new number by the original number
286 - 502 = -216
-216 ÷ 502 = -0.4302788844621514
-0.4302788844621514 x 100 = -43.03%