-15.9% is the change from 541 to 455
Calculation steps:
[( 455 - 541 ) ÷ 541] x 100 = -15.9%
Formula
Percentage change = [(455 - 541) / 541] x 100
Subtract the new number by the original number
455 - 541 = -86
-86 ÷ 541 = -0.1589648798521257
-0.1589648798521257 x 100 = -15.9%