638.89% is the change from 18 to 133
Calculation steps:
[( 133 - 18 ) ÷ 18] x 100 = 638.89%
Formula
Percentage change = [(133 - 18) / 18] x 100
Subtract the new number by the original number
133 - 18 = 115
115 ÷ 18 = 6.388888888888889
6.388888888888889 x 100 = 638.89%