-90.44% is the change from 826 to 79
Calculation steps:
[( 79 - 826 ) ÷ 826] x 100 = -90.44%
Formula
Percentage change = [(79 - 826) / 826] x 100
Subtract the new number by the original number
79 - 826 = -747
-747 ÷ 826 = -0.9043583535108959
-0.9043583535108959 x 100 = -90.44%