12.55% is the change from 685 to 771
Calculation steps:
[( 771 - 685 ) ÷ 685] x 100 = 12.55%
Formula
Percentage change = [(771 - 685) / 685] x 100
Subtract the new number by the original number
771 - 685 = 86
86 ÷ 685 = 0.12554744525547445
0.12554744525547445 x 100 = 12.55%