-69.52% is the change from 502 to 153
Calculation steps:
[( 153 - 502 ) ÷ 502] x 100 = -69.52%
Formula
Percentage change = [(153 - 502) / 502] x 100
Subtract the new number by the original number
153 - 502 = -349
-349 ÷ 502 = -0.6952191235059761
-0.6952191235059761 x 100 = -69.52%