21.55% is the change from 812 to 987
Calculation steps:
[( 987 - 812 ) ÷ 812] x 100 = 21.55%
Formula
Percentage change = [(987 - 812) / 812] x 100
Subtract the new number by the original number
987 - 812 = 175
175 ÷ 812 = 0.21551724137931033
0.21551724137931033 x 100 = 21.55%