23.23% is the change from 663 to 817
Calculation steps:
[( 817 - 663 ) ÷ 663] x 100 = 23.23%
Formula
Percentage change = [(817 - 663) / 663] x 100
Subtract the new number by the original number
817 - 663 = 154
154 ÷ 663 = 0.23227752639517346
0.23227752639517346 x 100 = 23.23%