187.5% is the change from 8 to 23
Calculation steps:
[( 23 - 8 ) ÷ 8] x 100 = 187.5%
Formula
Percentage change = [(23 - 8) / 8] x 100
Subtract the new number by the original number
23 - 8 = 15
15 ÷ 8 = 1.875
1.875 x 100 = 187.5%
Example