21.87% is the change from 663 to 808
Calculation steps:
[( 808 - 663 ) ÷ 663] x 100 = 21.87%
Formula
Percentage change = [(808 - 663) / 663] x 100
Subtract the new number by the original number
808 - 663 = 145
145 ÷ 663 = 0.2187028657616893
0.2187028657616893 x 100 = 21.87%