21.72% is the change from 663 to 807
Calculation steps:
[( 807 - 663 ) ÷ 663] x 100 = 21.72%
Formula
Percentage change = [(807 - 663) / 663] x 100
Subtract the new number by the original number
807 - 663 = 144
144 ÷ 663 = 0.2171945701357466
0.2171945701357466 x 100 = 21.72%