-50.69% is the change from 793 to 391
Calculation steps:
[( 391 - 793 ) ÷ 793] x 100 = -50.69%
Formula
Percentage change = [(391 - 793) / 793] x 100
Subtract the new number by the original number
391 - 793 = -402
-402 ÷ 793 = -0.5069356872635561
-0.5069356872635561 x 100 = -50.69%