54.84% is the change from 558 to 864
Calculation steps:
[( 864 - 558 ) ÷ 558] x 100 = 54.84%
Formula
Percentage change = [(864 - 558) / 558] x 100
Subtract the new number by the original number
864 - 558 = 306
306 ÷ 558 = 0.5483870967741935
0.5483870967741935 x 100 = 54.84%