-57.83% is the change from 996 to 420
Calculation steps:
[( 420 - 996 ) ÷ 996] x 100 = -57.83%
Formula
Percentage change = [(420 - 996) / 996] x 100
Subtract the new number by the original number
420 - 996 = -576
-576 ÷ 996 = -0.5783132530120482
-0.5783132530120482 x 100 = -57.83%