-54.63% is the change from 994 to 451
Calculation steps:
[( 451 - 994 ) ÷ 994] x 100 = -54.63%
Formula
Percentage change = [(451 - 994) / 994] x 100
Subtract the new number by the original number
451 - 994 = -543
-543 ÷ 994 = -0.5462776659959758
-0.5462776659959758 x 100 = -54.63%