-26.57% is the change from 271 to 199
Calculation steps:
[( 199 - 271 ) ÷ 271] x 100 = -26.57%
Formula
Percentage change = [(199 - 271) / 271] x 100
Subtract the new number by the original number
199 - 271 = -72
-72 ÷ 271 = -0.2656826568265683
-0.2656826568265683 x 100 = -26.57%