-46.95% is the change from 999 to 530
Calculation steps:
[( 530 - 999 ) ÷ 999] x 100 = -46.95%
Formula
Percentage change = [(530 - 999) / 999] x 100
Subtract the new number by the original number
530 - 999 = -469
-469 ÷ 999 = -0.4694694694694695
-0.4694694694694695 x 100 = -46.95%