-40.03% is the change from 797 to 478
Calculation steps:
[( 478 - 797 ) ÷ 797] x 100 = -40.03%
Formula
Percentage change = [(478 - 797) / 797] x 100
Subtract the new number by the original number
478 - 797 = -319
-319 ÷ 797 = -0.4002509410288582
-0.4002509410288582 x 100 = -40.03%