961.11% is the change from 18 to 191
Calculation steps:
[( 191 - 18 ) ÷ 18] x 100 = 961.11%
Formula
Percentage change = [(191 - 18) / 18] x 100
Subtract the new number by the original number
191 - 18 = 173
173 ÷ 18 = 9.61111111111111
9.61111111111111 x 100 = 961.11%