57.76% is the change from 580 to 915
Calculation steps:
[( 915 - 580 ) ÷ 580] x 100 = 57.76%
Formula
Percentage change = [(915 - 580) / 580] x 100
Subtract the new number by the original number
915 - 580 = 335
335 ÷ 580 = 0.5775862068965517
0.5775862068965517 x 100 = 57.76%