961.25% is the change from 80 to 849
Calculation steps:
[( 849 - 80 ) ÷ 80] x 100 = 961.25%
Formula
Percentage change = [(849 - 80) / 80] x 100
Subtract the new number by the original number
849 - 80 = 769
769 ÷ 80 = 9.6125
9.6125 x 100 = 961.25%
Example