646.58% is the change from 73 to 545
Calculation steps:
[( 545 - 73 ) ÷ 73] x 100 = 646.58%
Formula
Percentage change = [(545 - 73) / 73] x 100
Subtract the new number by the original number
545 - 73 = 472
472 ÷ 73 = 6.465753424657534
6.465753424657534 x 100 = 646.58%