-91.28% is the change from 906 to 79
Calculation steps:
[( 79 - 906 ) ÷ 906] x 100 = -91.28%
Formula
Percentage change = [(79 - 906) / 906] x 100
Subtract the new number by the original number
79 - 906 = -827
-827 ÷ 906 = -0.91280353200883
-0.91280353200883 x 100 = -91.28%