628.75% is the change from 80 to 583
Calculation steps:
[( 583 - 80 ) ÷ 80] x 100 = 628.75%
Formula
Percentage change = [(583 - 80) / 80] x 100
Subtract the new number by the original number
583 - 80 = 503
503 ÷ 80 = 6.2875
6.2875 x 100 = 628.75%
Example