-80.02% is the change from 826 to 165
Calculation steps:
[( 165 - 826 ) ÷ 826] x 100 = -80.02%
Formula
Percentage change = [(165 - 826) / 826] x 100
Subtract the new number by the original number
165 - 826 = -661
-661 ÷ 826 = -0.8002421307506054
-0.8002421307506054 x 100 = -80.02%