257.75% is the change from 71 to 254
Calculation steps:
[( 254 - 71 ) ÷ 71] x 100 = 257.75%
Formula
Percentage change = [(254 - 71) / 71] x 100
Subtract the new number by the original number
254 - 71 = 183
183 ÷ 71 = 2.5774647887323945
2.5774647887323945 x 100 = 257.75%