673.33% is the change from 75 to 580
Calculation steps:
[( 580 - 75 ) ÷ 75] x 100 = 673.33%
Formula
Percentage change = [(580 - 75) / 75] x 100
Subtract the new number by the original number
580 - 75 = 505
505 ÷ 75 = 6.733333333333333
6.733333333333333 x 100 = 673.33%