188.89% is the change from 9 to 26
Calculation steps:
[( 26 - 9 ) ÷ 9] x 100 = 188.89%
Formula
Percentage change = [(26 - 9) / 9] x 100
Subtract the new number by the original number
26 - 9 = 17
17 ÷ 9 = 1.8888888888888888
1.8888888888888888 x 100 = 188.89%