23% is the change from 813 to 1000
Calculation steps:
[( 1000 - 813 ) ÷ 813] x 100 = 23%
Formula
Percentage change = [(1000 - 813) / 813] x 100
Subtract the new number by the original number
1000 - 813 = 187
187 ÷ 813 = 0.23001230012300122
0.23001230012300122 x 100 = 23%