-37.45% is the change from 502 to 314
Calculation steps:
[( 314 - 502 ) ÷ 502] x 100 = -37.45%
Formula
Percentage change = [(314 - 502) / 502] x 100
Subtract the new number by the original number
314 - 502 = -188
-188 ÷ 502 = -0.3745019920318725
-0.3745019920318725 x 100 = -37.45%