19.52% is the change from 666 to 796
Calculation steps:
[( 796 - 666 ) ÷ 666] x 100 = 19.52%
Formula
Percentage change = [(796 - 666) / 666] x 100
Subtract the new number by the original number
796 - 666 = 130
130 ÷ 666 = 0.19519519519519518
0.19519519519519518 x 100 = 19.52%