-50.82% is the change from 797 to 392
Calculation steps:
[( 392 - 797 ) ÷ 797] x 100 = -50.82%
Formula
Percentage change = [(392 - 797) / 797] x 100
Subtract the new number by the original number
392 - 797 = -405
-405 ÷ 797 = -0.5081555834378921
-0.5081555834378921 x 100 = -50.82%