-50.3% is the change from 996 to 495
Calculation steps:
[( 495 - 996 ) ÷ 996] x 100 = -50.3%
Formula
Percentage change = [(495 - 996) / 996] x 100
Subtract the new number by the original number
495 - 996 = -501
-501 ÷ 996 = -0.5030120481927711
-0.5030120481927711 x 100 = -50.3%