-69.72% is the change from 502 to 152
Calculation steps:
[( 152 - 502 ) ÷ 502] x 100 = -69.72%
Formula
Percentage change = [(152 - 502) / 502] x 100
Subtract the new number by the original number
152 - 502 = -350
-350 ÷ 502 = -0.6972111553784861
-0.6972111553784861 x 100 = -69.72%