15.57% is the change from 668 to 772
Calculation steps:
[( 772 - 668 ) ÷ 668] x 100 = 15.57%
Formula
Percentage change = [(772 - 668) / 668] x 100
Subtract the new number by the original number
772 - 668 = 104
104 ÷ 668 = 0.15568862275449102
0.15568862275449102 x 100 = 15.57%