611.11% is the change from 18 to 128
Calculation steps:
[( 128 - 18 ) ÷ 18] x 100 = 611.11%
Formula
Percentage change = [(128 - 18) / 18] x 100
Subtract the new number by the original number
128 - 18 = 110
110 ÷ 18 = 6.111111111111111
6.111111111111111 x 100 = 611.11%