-89.64% is the change from 502 to 52
Calculation steps:
[( 52 - 502 ) ÷ 502] x 100 = -89.64%
Formula
Percentage change = [(52 - 502) / 502] x 100
Subtract the new number by the original number
52 - 502 = -450
-450 ÷ 502 = -0.896414342629482
-0.896414342629482 x 100 = -89.64%