29.77% is the change from 665 to 863
Calculation steps:
[( 863 - 665 ) ÷ 665] x 100 = 29.77%
Formula
Percentage change = [(863 - 665) / 665] x 100
Subtract the new number by the original number
863 - 665 = 198
198 ÷ 665 = 0.29774436090225564
0.29774436090225564 x 100 = 29.77%