-80.07% is the change from 271 to 54
Calculation steps:
[( 54 - 271 ) ÷ 271] x 100 = -80.07%
Formula
Percentage change = [(54 - 271) / 271] x 100
Subtract the new number by the original number
54 - 271 = -217
-217 ÷ 271 = -0.8007380073800738
-0.8007380073800738 x 100 = -80.07%