22.88% is the change from 813 to 999
Calculation steps:
[( 999 - 813 ) ÷ 813] x 100 = 22.88%
Formula
Percentage change = [(999 - 813) / 813] x 100
Subtract the new number by the original number
999 - 813 = 186
186 ÷ 813 = 0.22878228782287824
0.22878228782287824 x 100 = 22.88%