1061.11% is the change from 18 to 209
Calculation steps:
[( 209 - 18 ) ÷ 18] x 100 = 1061.11%
Formula
Percentage change = [(209 - 18) / 18] x 100
Subtract the new number by the original number
209 - 18 = 191
191 ÷ 18 = 10.61111111111111
10.61111111111111 x 100 = 1061.11%