-54.72% is the change from 996 to 451
Calculation steps:
[( 451 - 996 ) ÷ 996] x 100 = -54.72%
Formula
Percentage change = [(451 - 996) / 996] x 100
Subtract the new number by the original number
451 - 996 = -545
-545 ÷ 996 = -0.5471887550200804
-0.5471887550200804 x 100 = -54.72%