36.89% is the change from 488 to 668
Calculation steps:
[( 668 - 488 ) ÷ 488] x 100 = 36.89%
Formula
Percentage change = [(668 - 488) / 488] x 100
Subtract the new number by the original number
668 - 488 = 180
180 ÷ 488 = 0.36885245901639346
0.36885245901639346 x 100 = 36.89%