-57.56% is the change from 271 to 115
Calculation steps:
[( 115 - 271 ) ÷ 271] x 100 = -57.56%
Formula
Percentage change = [(115 - 271) / 271] x 100
Subtract the new number by the original number
115 - 271 = -156
-156 ÷ 271 = -0.5756457564575646
-0.5756457564575646 x 100 = -57.56%