42.39% is the change from 578 to 823
Calculation steps:
[( 823 - 578 ) ÷ 578] x 100 = 42.39%
Formula
Percentage change = [(823 - 578) / 578] x 100
Subtract the new number by the original number
823 - 578 = 245
245 ÷ 578 = 0.42387543252595156
0.42387543252595156 x 100 = 42.39%