738.36% is the change from 73 to 612
Calculation steps:
[( 612 - 73 ) ÷ 73] x 100 = 738.36%
Formula
Percentage change = [(612 - 73) / 73] x 100
Subtract the new number by the original number
612 - 73 = 539
539 ÷ 73 = 7.383561643835616
7.383561643835616 x 100 = 738.36%