-49.77% is the change from 663 to 333
Calculation steps:
[( 333 - 663 ) ÷ 663] x 100 = -49.77%
Formula
Percentage change = [(333 - 663) / 663] x 100
Subtract the new number by the original number
333 - 663 = -330
-330 ÷ 663 = -0.497737556561086
-0.497737556561086 x 100 = -49.77%