-50.09% is the change from 541 to 270
Calculation steps:
[( 270 - 541 ) ÷ 541] x 100 = -50.09%
Formula
Percentage change = [(270 - 541) / 541] x 100
Subtract the new number by the original number
270 - 541 = -271
-271 ÷ 541 = -0.5009242144177449
-0.5009242144177449 x 100 = -50.09%