50% is the change from 582 to 873
Calculation steps:
[( 873 - 582 ) ÷ 582] x 100 = 50%
Formula
Percentage change = [(873 - 582) / 582] x 100
Subtract the new number by the original number
873 - 582 = 291
291 ÷ 582 = 0.5
0.5 x 100 = 50%
Example