-43.17% is the change from 271 to 154
Calculation steps:
[( 154 - 271 ) ÷ 271] x 100 = -43.17%
Formula
Percentage change = [(154 - 271) / 271] x 100
Subtract the new number by the original number
154 - 271 = -117
-117 ÷ 271 = -0.4317343173431734
-0.4317343173431734 x 100 = -43.17%