50.54% is the change from 554 to 834
Calculation steps:
[( 834 - 554 ) ÷ 554] x 100 = 50.54%
Formula
Percentage change = [(834 - 554) / 554] x 100
Subtract the new number by the original number
834 - 554 = 280
280 ÷ 554 = 0.5054151624548736
0.5054151624548736 x 100 = 50.54%