-51.59% is the change from 502 to 243
Calculation steps:
[( 243 - 502 ) ÷ 502] x 100 = -51.59%
Formula
Percentage change = [(243 - 502) / 502] x 100
Subtract the new number by the original number
243 - 502 = -259
-259 ÷ 502 = -0.5159362549800797
-0.5159362549800797 x 100 = -51.59%