-47.99% is the change from 996 to 518
Calculation steps:
[( 518 - 996 ) ÷ 996] x 100 = -47.99%
Formula
Percentage change = [(518 - 996) / 996] x 100
Subtract the new number by the original number
518 - 996 = -478
-478 ÷ 996 = -0.4799196787148594
-0.4799196787148594 x 100 = -47.99%