623.29% is the change from 73 to 528
Calculation steps:
[( 528 - 73 ) ÷ 73] x 100 = 623.29%
Formula
Percentage change = [(528 - 73) / 73] x 100
Subtract the new number by the original number
528 - 73 = 455
455 ÷ 73 = 6.232876712328767
6.232876712328767 x 100 = 623.29%