733.75% is the change from 80 to 667
Calculation steps:
[( 667 - 80 ) ÷ 80] x 100 = 733.75%
Formula
Percentage change = [(667 - 80) / 80] x 100
Subtract the new number by the original number
667 - 80 = 587
587 ÷ 80 = 7.3375
7.3375 x 100 = 733.75%
Example