638.36% is the change from 73 to 539
Calculation steps:
[( 539 - 73 ) ÷ 73] x 100 = 638.36%
Formula
Percentage change = [(539 - 73) / 73] x 100
Subtract the new number by the original number
539 - 73 = 466
466 ÷ 73 = 6.383561643835616
6.383561643835616 x 100 = 638.36%