-90.94% is the change from 541 to 49
Calculation steps:
[( 49 - 541 ) ÷ 541] x 100 = -90.94%
Formula
Percentage change = [(49 - 541) / 541] x 100
Subtract the new number by the original number
49 - 541 = -492
-492 ÷ 541 = -0.9094269870609981
-0.9094269870609981 x 100 = -90.94%