29.88% is the change from 666 to 865
Calculation steps:
[( 865 - 666 ) ÷ 666] x 100 = 29.88%
Formula
Percentage change = [(865 - 666) / 666] x 100
Subtract the new number by the original number
865 - 666 = 199
199 ÷ 666 = 0.2987987987987988
0.2987987987987988 x 100 = 29.88%