833.75% is the change from 80 to 747
Calculation steps:
[( 747 - 80 ) ÷ 80] x 100 = 833.75%
Formula
Percentage change = [(747 - 80) / 80] x 100
Subtract the new number by the original number
747 - 80 = 667
667 ÷ 80 = 8.3375
8.3375 x 100 = 833.75%
Example