977.22% is the change from 79 to 851
Calculation steps:
[( 851 - 79 ) ÷ 79] x 100 = 977.22%
Formula
Percentage change = [(851 - 79) / 79] x 100
Subtract the new number by the original number
851 - 79 = 772
772 ÷ 79 = 9.772151898734178
9.772151898734178 x 100 = 977.22%