-12.55% is the change from 271 to 237
Calculation steps:
[( 237 - 271 ) ÷ 271] x 100 = -12.55%
Formula
Percentage change = [(237 - 271) / 271] x 100
Subtract the new number by the original number
237 - 271 = -34
-34 ÷ 271 = -0.12546125461254612
-0.12546125461254612 x 100 = -12.55%