-80.15% is the change from 826 to 164
Calculation steps:
[( 164 - 826 ) ÷ 826] x 100 = -80.15%
Formula
Percentage change = [(164 - 826) / 826] x 100
Subtract the new number by the original number
164 - 826 = -662
-662 ÷ 826 = -0.801452784503632
-0.801452784503632 x 100 = -80.15%