-55.58% is the change from 502 to 223
Calculation steps:
[( 223 - 502 ) ÷ 502] x 100 = -55.58%
Formula
Percentage change = [(223 - 502) / 502] x 100
Subtract the new number by the original number
223 - 502 = -279
-279 ÷ 502 = -0.5557768924302788
-0.5557768924302788 x 100 = -55.58%