-79.85% is the change from 541 to 109
Calculation steps:
[( 109 - 541 ) ÷ 541] x 100 = -79.85%
Formula
Percentage change = [(109 - 541) / 541] x 100
Subtract the new number by the original number
109 - 541 = -432
-432 ÷ 541 = -0.7985212569316081
-0.7985212569316081 x 100 = -79.85%