22.27% is the change from 669 to 818
Calculation steps:
[( 818 - 669 ) ÷ 669] x 100 = 22.27%
Formula
Percentage change = [(818 - 669) / 669] x 100
Subtract the new number by the original number
818 - 669 = 149
149 ÷ 669 = 0.2227204783258595
0.2227204783258595 x 100 = 22.27%