22.12% is the change from 669 to 817
Calculation steps:
[( 817 - 669 ) ÷ 669] x 100 = 22.12%
Formula
Percentage change = [(817 - 669) / 669] x 100
Subtract the new number by the original number
817 - 669 = 148
148 ÷ 669 = 0.22122571001494767
0.22122571001494767 x 100 = 22.12%