250.57% is the change from 261 to 915
Calculation steps:
[( 915 - 261 ) ÷ 261] x 100 = 250.57%
Formula
Percentage change = [(915 - 261) / 261] x 100
Subtract the new number by the original number
915 - 261 = 654
654 ÷ 261 = 2.5057471264367814
2.5057471264367814 x 100 = 250.57%