-59.94% is the change from 996 to 399
Calculation steps:
[( 399 - 996 ) ÷ 996] x 100 = -59.94%
Formula
Percentage change = [(399 - 996) / 996] x 100
Subtract the new number by the original number
399 - 996 = -597
-597 ÷ 996 = -0.5993975903614458
-0.5993975903614458 x 100 = -59.94%