3211.11% is the change from 18 to 596
Calculation steps:
[( 596 - 18 ) ÷ 18] x 100 = 3211.11%
Formula
Percentage change = [(596 - 18) / 18] x 100
Subtract the new number by the original number
596 - 18 = 578
578 ÷ 18 = 32.111111111111114
32.111111111111114 x 100 = 3211.11%