979.75% is the change from 79 to 853
Calculation steps:
[( 853 - 79 ) ÷ 79] x 100 = 979.75%
Formula
Percentage change = [(853 - 79) / 79] x 100
Subtract the new number by the original number
853 - 79 = 774
774 ÷ 79 = 9.79746835443038
9.79746835443038 x 100 = 979.75%