3.11% is the change from 578 to 596
Calculation steps:
[( 596 - 578 ) ÷ 578] x 100 = 3.11%
Formula
Percentage change = [(596 - 578) / 578] x 100
Subtract the new number by the original number
596 - 578 = 18
18 ÷ 578 = 0.031141868512110725
0.031141868512110725 x 100 = 3.11%