16.57% is the change from 670 to 781
Calculation steps:
[( 781 - 670 ) ÷ 670] x 100 = 16.57%
Formula
Percentage change = [(781 - 670) / 670] x 100
Subtract the new number by the original number
781 - 670 = 111
111 ÷ 670 = 0.16567164179104477
0.16567164179104477 x 100 = 16.57%