-49.68% is the change from 793 to 399
Calculation steps:
[( 399 - 793 ) ÷ 793] x 100 = -49.68%
Formula
Percentage change = [(399 - 793) / 793] x 100
Subtract the new number by the original number
399 - 793 = -394
-394 ÷ 793 = -0.4968474148802018
-0.4968474148802018 x 100 = -49.68%