49.46% is the change from 558 to 834
Calculation steps:
[( 834 - 558 ) ÷ 558] x 100 = 49.46%
Formula
Percentage change = [(834 - 558) / 558] x 100
Subtract the new number by the original number
834 - 558 = 276
276 ÷ 558 = 0.4946236559139785
0.4946236559139785 x 100 = 49.46%