-42.63% is the change from 502 to 288
Calculation steps:
[( 288 - 502 ) ÷ 502] x 100 = -42.63%
Formula
Percentage change = [(288 - 502) / 502] x 100
Subtract the new number by the original number
288 - 502 = -214
-214 ÷ 502 = -0.4262948207171315
-0.4262948207171315 x 100 = -42.63%