254.81% is the change from 270 to 958
Calculation steps:
[( 958 - 270 ) ÷ 270] x 100 = 254.81%
Formula
Percentage change = [(958 - 270) / 270] x 100
Subtract the new number by the original number
958 - 270 = 688
688 ÷ 270 = 2.5481481481481483
2.5481481481481483 x 100 = 254.81%