600% is the change from 73 to 511
Calculation steps:
[( 511 - 73 ) ÷ 73] x 100 = 600%
Formula
Percentage change = [(511 - 73) / 73] x 100
Subtract the new number by the original number
511 - 73 = 438
438 ÷ 73 = 6
6 x 100 = 600%
Example