463.75% is the change from 80 to 451
Calculation steps:
[( 451 - 80 ) ÷ 80] x 100 = 463.75%
Formula
Percentage change = [(451 - 80) / 80] x 100
Subtract the new number by the original number
451 - 80 = 371
371 ÷ 80 = 4.6375
4.6375 x 100 = 463.75%
Example