135.52% is the change from 259 to 610
Calculation steps:
[( 610 - 259 ) ÷ 259] x 100 = 135.52%
Formula
Percentage change = [(610 - 259) / 259] x 100
Subtract the new number by the original number
610 - 259 = 351
351 ÷ 259 = 1.3552123552123552
1.3552123552123552 x 100 = 135.52%