470% is the change from 80 to 456
Calculation steps:
[( 456 - 80 ) ÷ 80] x 100 = 470%
Formula
Percentage change = [(456 - 80) / 80] x 100
Subtract the new number by the original number
456 - 80 = 376
376 ÷ 80 = 4.7
4.7 x 100 = 470%
Example