476.92% is the change from 78 to 450
Calculation steps:
[( 450 - 78 ) ÷ 78] x 100 = 476.92%
Formula
Percentage change = [(450 - 78) / 78] x 100
Subtract the new number by the original number
450 - 78 = 372
372 ÷ 78 = 4.769230769230769
4.769230769230769 x 100 = 476.92%