667.95% is the change from 78 to 599
Calculation steps:
[( 599 - 78 ) ÷ 78] x 100 = 667.95%
Formula
Percentage change = [(599 - 78) / 78] x 100
Subtract the new number by the original number
599 - 78 = 521
521 ÷ 78 = 6.67948717948718
6.67948717948718 x 100 = 667.95%