563.75% is the change from 80 to 531
Calculation steps:
[( 531 - 80 ) ÷ 80] x 100 = 563.75%
Formula
Percentage change = [(531 - 80) / 80] x 100
Subtract the new number by the original number
531 - 80 = 451
451 ÷ 80 = 5.6375
5.6375 x 100 = 563.75%
Example