136.78% is the change from 261 to 618
Calculation steps:
[( 618 - 261 ) ÷ 261] x 100 = 136.78%
Formula
Percentage change = [(618 - 261) / 261] x 100
Subtract the new number by the original number
618 - 261 = 357
357 ÷ 261 = 1.367816091954023
1.367816091954023 x 100 = 136.78%