44.08% is the change from 583 to 840
Calculation steps:
[( 840 - 583 ) ÷ 583] x 100 = 44.08%
Formula
Percentage change = [(840 - 583) / 583] x 100
Subtract the new number by the original number
840 - 583 = 257
257 ÷ 583 = 0.44082332761578047
0.44082332761578047 x 100 = 44.08%