-79.73% is the change from 814 to 165
Calculation steps:
[( 165 - 814 ) ÷ 814] x 100 = -79.73%
Formula
Percentage change = [(165 - 814) / 814] x 100
Subtract the new number by the original number
165 - 814 = -649
-649 ÷ 814 = -0.7972972972972973
-0.7972972972972973 x 100 = -79.73%