30.56% is the change from 661 to 863
Calculation steps:
[( 863 - 661 ) ÷ 661] x 100 = 30.56%
Formula
Percentage change = [(863 - 661) / 661] x 100
Subtract the new number by the original number
863 - 661 = 202
202 ÷ 661 = 0.30559757942511345
0.30559757942511345 x 100 = 30.56%