-48.37% is the change from 645 to 333
Calculation steps:
[( 333 - 645 ) ÷ 645] x 100 = -48.37%
Formula
Percentage change = [(333 - 645) / 645] x 100
Subtract the new number by the original number
333 - 645 = -312
-312 ÷ 645 = -0.48372093023255813
-0.48372093023255813 x 100 = -48.37%