27.15% is the change from 685 to 871
Calculation steps:
[( 871 - 685 ) ÷ 685] x 100 = 27.15%
Formula
Percentage change = [(871 - 685) / 685] x 100
Subtract the new number by the original number
871 - 685 = 186
186 ÷ 685 = 0.27153284671532846
0.27153284671532846 x 100 = 27.15%