64.49% is the change from 583 to 959
Calculation steps:
[( 959 - 583 ) ÷ 583] x 100 = 64.49%
Formula
Percentage change = [(959 - 583) / 583] x 100
Subtract the new number by the original number
959 - 583 = 376
376 ÷ 583 = 0.6449399656946827
0.6449399656946827 x 100 = 64.49%