17.31% is the change from 670 to 786
Calculation steps:
[( 786 - 670 ) ÷ 670] x 100 = 17.31%
Formula
Percentage change = [(786 - 670) / 670] x 100
Subtract the new number by the original number
786 - 670 = 116
116 ÷ 670 = 0.17313432835820897
0.17313432835820897 x 100 = 17.31%