989.87% is the change from 79 to 861
Calculation steps:
[( 861 - 79 ) ÷ 79] x 100 = 989.87%
Formula
Percentage change = [(861 - 79) / 79] x 100
Subtract the new number by the original number
861 - 79 = 782
782 ÷ 79 = 9.89873417721519
9.89873417721519 x 100 = 989.87%