-53.75% is the change from 999 to 462
Calculation steps:
[( 462 - 999 ) ÷ 999] x 100 = -53.75%
Formula
Percentage change = [(462 - 999) / 999] x 100
Subtract the new number by the original number
462 - 999 = -537
-537 ÷ 999 = -0.5375375375375375
-0.5375375375375375 x 100 = -53.75%