-48.89% is the change from 994 to 508
Calculation steps:
[( 508 - 994 ) ÷ 994] x 100 = -48.89%
Formula
Percentage change = [(508 - 994) / 994] x 100
Subtract the new number by the original number
508 - 994 = -486
-486 ÷ 994 = -0.48893360160965793
-0.48893360160965793 x 100 = -48.89%