57.55% is the change from 424 to 668
Calculation steps:
[( 668 - 424 ) ÷ 424] x 100 = 57.55%
Formula
Percentage change = [(668 - 424) / 424] x 100
Subtract the new number by the original number
668 - 424 = 244
244 ÷ 424 = 0.5754716981132075
0.5754716981132075 x 100 = 57.55%