18.55% is the change from 647 to 767
Calculation steps:
[( 767 - 647 ) ÷ 647] x 100 = 18.55%
Formula
Percentage change = [(767 - 647) / 647] x 100
Subtract the new number by the original number
767 - 647 = 120
120 ÷ 647 = 0.18547140649149924
0.18547140649149924 x 100 = 18.55%