188.89% is the change from 18 to 52
Calculation steps:
[( 52 - 18 ) ÷ 18] x 100 = 188.89%
Formula
Percentage change = [(52 - 18) / 18] x 100
Subtract the new number by the original number
52 - 18 = 34
34 ÷ 18 = 1.8888888888888888
1.8888888888888888 x 100 = 188.89%