15.92% is the change from 666 to 772
Calculation steps:
[( 772 - 666 ) ÷ 666] x 100 = 15.92%
Formula
Percentage change = [(772 - 666) / 666] x 100
Subtract the new number by the original number
772 - 666 = 106
106 ÷ 666 = 0.15915915915915915
0.15915915915915915 x 100 = 15.92%