29.1% is the change from 670 to 865
Calculation steps:
[( 865 - 670 ) ÷ 670] x 100 = 29.1%
Formula
Percentage change = [(865 - 670) / 670] x 100
Subtract the new number by the original number
865 - 670 = 195
195 ÷ 670 = 0.291044776119403
0.291044776119403 x 100 = 29.1%