271.21% is the change from 257 to 954
Calculation steps:
[( 954 - 257 ) ÷ 257] x 100 = 271.21%
Formula
Percentage change = [(954 - 257) / 257] x 100
Subtract the new number by the original number
954 - 257 = 697
697 ÷ 257 = 2.7120622568093387
2.7120622568093387 x 100 = 271.21%