785.33% is the change from 75 to 664
Calculation steps:
[( 664 - 75 ) ÷ 75] x 100 = 785.33%
Formula
Percentage change = [(664 - 75) / 75] x 100
Subtract the new number by the original number
664 - 75 = 589
589 ÷ 75 = 7.8533333333333335
7.8533333333333335 x 100 = 785.33%