253.14% is the change from 271 to 957
Calculation steps:
[( 957 - 271 ) ÷ 271] x 100 = 253.14%
Formula
Percentage change = [(957 - 271) / 271] x 100
Subtract the new number by the original number
957 - 271 = 686
686 ÷ 271 = 2.5313653136531364
2.5313653136531364 x 100 = 253.14%