68.1% is the change from 580 to 975
Calculation steps:
[( 975 - 580 ) ÷ 580] x 100 = 68.1%
Formula
Percentage change = [(975 - 580) / 580] x 100
Subtract the new number by the original number
975 - 580 = 395
395 ÷ 580 = 0.6810344827586207
0.6810344827586207 x 100 = 68.1%