-12.95% is the change from 502 to 437
Calculation steps:
[( 437 - 502 ) ÷ 502] x 100 = -12.95%
Formula
Percentage change = [(437 - 502) / 502] x 100
Subtract the new number by the original number
437 - 502 = -65
-65 ÷ 502 = -0.1294820717131474
-0.1294820717131474 x 100 = -12.95%