50.6% is the change from 583 to 878
Calculation steps:
[( 878 - 583 ) ÷ 583] x 100 = 50.6%
Formula
Percentage change = [(878 - 583) / 583] x 100
Subtract the new number by the original number
878 - 583 = 295
295 ÷ 583 = 0.5060034305317325
0.5060034305317325 x 100 = 50.6%