740.51% is the change from 79 to 664
Calculation steps:
[( 664 - 79 ) ÷ 79] x 100 = 740.51%
Formula
Percentage change = [(664 - 79) / 79] x 100
Subtract the new number by the original number
664 - 79 = 585
585 ÷ 79 = 7.405063291139241
7.405063291139241 x 100 = 740.51%