-82.73% is the change from 799 to 138
Calculation steps:
[( 138 - 799 ) ÷ 799] x 100 = -82.73%
Formula
Percentage change = [(138 - 799) / 799] x 100
Subtract the new number by the original number
138 - 799 = -661
-661 ÷ 799 = -0.8272841051314143
-0.8272841051314143 x 100 = -82.73%