18.57% is the change from 684 to 811
Calculation steps:
[( 811 - 684 ) ÷ 684] x 100 = 18.57%
Formula
Percentage change = [(811 - 684) / 684] x 100
Subtract the new number by the original number
811 - 684 = 127
127 ÷ 684 = 0.18567251461988304
0.18567251461988304 x 100 = 18.57%