21.7% is the change from 811 to 987
Calculation steps:
[( 987 - 811 ) ÷ 811] x 100 = 21.7%
Formula
Percentage change = [(987 - 811) / 811] x 100
Subtract the new number by the original number
987 - 811 = 176
176 ÷ 811 = 0.21701602959309493
0.21701602959309493 x 100 = 21.7%