-88.56% is the change from 271 to 31
Calculation steps:
[( 31 - 271 ) ÷ 271] x 100 = -88.56%
Formula
Percentage change = [(31 - 271) / 271] x 100
Subtract the new number by the original number
31 - 271 = -240
-240 ÷ 271 = -0.8856088560885609
-0.8856088560885609 x 100 = -88.56%