30.53% is the change from 665 to 868
Calculation steps:
[( 868 - 665 ) ÷ 665] x 100 = 30.53%
Formula
Percentage change = [(868 - 665) / 665] x 100
Subtract the new number by the original number
868 - 665 = 203
203 ÷ 665 = 0.30526315789473685
0.30526315789473685 x 100 = 30.53%