12.23% is the change from 687 to 771
Calculation steps:
[( 771 - 687 ) ÷ 687] x 100 = 12.23%
Formula
Percentage change = [(771 - 687) / 687] x 100
Subtract the new number by the original number
771 - 687 = 84
84 ÷ 687 = 0.1222707423580786
0.1222707423580786 x 100 = 12.23%