461.25% is the change from 80 to 449
Calculation steps:
[( 449 - 80 ) ÷ 80] x 100 = 461.25%
Formula
Percentage change = [(449 - 80) / 80] x 100
Subtract the new number by the original number
449 - 80 = 369
369 ÷ 80 = 4.6125
4.6125 x 100 = 461.25%
Example