155.94% is the change from 261 to 668
Calculation steps:
[( 668 - 261 ) ÷ 261] x 100 = 155.94%
Formula
Percentage change = [(668 - 261) / 261] x 100
Subtract the new number by the original number
668 - 261 = 407
407 ÷ 261 = 1.5593869731800767
1.5593869731800767 x 100 = 155.94%