847.5% is the change from 80 to 758
Calculation steps:
[( 758 - 80 ) ÷ 80] x 100 = 847.5%
Formula
Percentage change = [(758 - 80) / 80] x 100
Subtract the new number by the original number
758 - 80 = 678
678 ÷ 80 = 8.475
8.475 x 100 = 847.5%
Example