-22.37% is the change from 541 to 420
Calculation steps:
[( 420 - 541 ) ÷ 541] x 100 = -22.37%
Formula
Percentage change = [(420 - 541) / 541] x 100
Subtract the new number by the original number
420 - 541 = -121
-121 ÷ 541 = -0.22365988909426987
-0.22365988909426987 x 100 = -22.37%