18.05% is the change from 687 to 811
Calculation steps:
[( 811 - 687 ) ÷ 687] x 100 = 18.05%
Formula
Percentage change = [(811 - 687) / 687] x 100
Subtract the new number by the original number
811 - 687 = 124
124 ÷ 687 = 0.1804949053857351
0.1804949053857351 x 100 = 18.05%