-69.32% is the change from 502 to 154
Calculation steps:
[( 154 - 502 ) ÷ 502] x 100 = -69.32%
Formula
Percentage change = [(154 - 502) / 502] x 100
Subtract the new number by the original number
154 - 502 = -348
-348 ÷ 502 = -0.6932270916334662
-0.6932270916334662 x 100 = -69.32%