151.13% is the change from 266 to 668
Calculation steps:
[( 668 - 266 ) ÷ 266] x 100 = 151.13%
Formula
Percentage change = [(668 - 266) / 266] x 100
Subtract the new number by the original number
668 - 266 = 402
402 ÷ 266 = 1.5112781954887218
1.5112781954887218 x 100 = 151.13%