-7.21% is the change from 541 to 502
Calculation steps:
[( 502 - 541 ) ÷ 541] x 100 = -7.21%
Formula
Percentage change = [(502 - 541) / 541] x 100
Subtract the new number by the original number
502 - 541 = -39
-39 ÷ 541 = -0.07208872458410351
-0.07208872458410351 x 100 = -7.21%