-30.32% is the change from 663 to 462
Calculation steps:
[( 462 - 663 ) ÷ 663] x 100 = -30.32%
Formula
Percentage change = [(462 - 663) / 663] x 100
Subtract the new number by the original number
462 - 663 = -201
-201 ÷ 663 = -0.3031674208144796
-0.3031674208144796 x 100 = -30.32%