18.86% is the change from 647 to 769
Calculation steps:
[( 769 - 647 ) ÷ 647] x 100 = 18.86%
Formula
Percentage change = [(769 - 647) / 647] x 100
Subtract the new number by the original number
769 - 647 = 122
122 ÷ 647 = 0.18856259659969088
0.18856259659969088 x 100 = 18.86%