154.9% is the change from 102 to 260
Calculation steps:
[( 260 - 102 ) ÷ 102] x 100 = 154.9%
Formula
Percentage change = [(260 - 102) / 102] x 100
Subtract the new number by the original number
260 - 102 = 158
158 ÷ 102 = 1.5490196078431373
1.5490196078431373 x 100 = 154.9%
Example