-48.35% is the change from 999 to 516
Calculation steps:
[( 516 - 999 ) ÷ 999] x 100 = -48.35%
Formula
Percentage change = [(516 - 999) / 999] x 100
Subtract the new number by the original number
516 - 999 = -483
-483 ÷ 999 = -0.48348348348348347
-0.48348348348348347 x 100 = -48.35%