125.93% is the change from 270 to 610
Calculation steps:
[( 610 - 270 ) ÷ 270] x 100 = 125.93%
Formula
Percentage change = [(610 - 270) / 270] x 100
Subtract the new number by the original number
610 - 270 = 340
340 ÷ 270 = 1.2592592592592593
1.2592592592592593 x 100 = 125.93%