988.89% is the change from 18 to 196
Calculation steps:
[( 196 - 18 ) ÷ 18] x 100 = 988.89%
Formula
Percentage change = [(196 - 18) / 18] x 100
Subtract the new number by the original number
196 - 18 = 178
178 ÷ 18 = 9.88888888888889
9.88888888888889 x 100 = 988.89%