-80.31% is the change from 833 to 164
Calculation steps:
[( 164 - 833 ) ÷ 833] x 100 = -80.31%
Formula
Percentage change = [(164 - 833) / 833] x 100
Subtract the new number by the original number
164 - 833 = -669
-669 ÷ 833 = -0.8031212484993998
-0.8031212484993998 x 100 = -80.31%