510% is the change from 80 to 488
Calculation steps:
[( 488 - 80 ) ÷ 80] x 100 = 510%
Formula
Percentage change = [(488 - 80) / 80] x 100
Subtract the new number by the original number
488 - 80 = 408
408 ÷ 80 = 5.1
5.1 x 100 = 510%
Example