149.25% is the change from 268 to 668
Calculation steps:
[( 668 - 268 ) ÷ 268] x 100 = 149.25%
Formula
Percentage change = [(668 - 268) / 268] x 100
Subtract the new number by the original number
668 - 268 = 400
400 ÷ 268 = 1.492537313432836
1.492537313432836 x 100 = 149.25%