19.31% is the change from 663 to 791
Calculation steps:
[( 791 - 663 ) ÷ 663] x 100 = 19.31%
Formula
Percentage change = [(791 - 663) / 663] x 100
Subtract the new number by the original number
791 - 663 = 128
128 ÷ 663 = 0.19306184012066366
0.19306184012066366 x 100 = 19.31%