50.34% is the change from 584 to 878
Calculation steps:
[( 878 - 584 ) ÷ 584] x 100 = 50.34%
Formula
Percentage change = [(878 - 584) / 584] x 100
Subtract the new number by the original number
878 - 584 = 294
294 ÷ 584 = 0.5034246575342466
0.5034246575342466 x 100 = 50.34%