-50.76% is the change from 792 to 390
Calculation steps:
[( 390 - 792 ) ÷ 792] x 100 = -50.76%
Formula
Percentage change = [(390 - 792) / 792] x 100
Subtract the new number by the original number
390 - 792 = -402
-402 ÷ 792 = -0.5075757575757576
-0.5075757575757576 x 100 = -50.76%