129.32% is the change from 266 to 610
Calculation steps:
[( 610 - 266 ) ÷ 266] x 100 = 129.32%
Formula
Percentage change = [(610 - 266) / 266] x 100
Subtract the new number by the original number
610 - 266 = 344
344 ÷ 266 = 1.2932330827067668
1.2932330827067668 x 100 = 129.32%