250% is the change from 274 to 959
Calculation steps:
[( 959 - 274 ) ÷ 274] x 100 = 250%
Formula
Percentage change = [(959 - 274) / 274] x 100
Subtract the new number by the original number
959 - 274 = 685
685 ÷ 274 = 2.5
2.5 x 100 = 250%
Example