-8.12% is the change from 271 to 249
Calculation steps:
[( 249 - 271 ) ÷ 271] x 100 = -8.12%
Formula
Percentage change = [(249 - 271) / 271] x 100
Subtract the new number by the original number
249 - 271 = -22
-22 ÷ 271 = -0.08118081180811808
-0.08118081180811808 x 100 = -8.12%