134.62% is the change from 260 to 610
Calculation steps:
[( 610 - 260 ) ÷ 260] x 100 = 134.62%
Formula
Percentage change = [(610 - 260) / 260] x 100
Subtract the new number by the original number
610 - 260 = 350
350 ÷ 260 = 1.3461538461538463
1.3461538461538463 x 100 = 134.62%