472.6% is the change from 73 to 418
Calculation steps:
[( 418 - 73 ) ÷ 73] x 100 = 472.6%
Formula
Percentage change = [(418 - 73) / 73] x 100
Subtract the new number by the original number
418 - 73 = 345
345 ÷ 73 = 4.726027397260274
4.726027397260274 x 100 = 472.6%