11.5% is the change from 200 to 223
Calculation steps:
[( 223 - 200 ) ÷ 200] x 100 = 11.5%
Formula
Percentage change = [(223 - 200) / 200] x 100
Subtract the new number by the original number
223 - 200 = 23
23 ÷ 200 = 0.115
0.115 x 100 = 11.5%
Example