-48.77% is the change from 648 to 332
Calculation steps:
[( 332 - 648 ) ÷ 648] x 100 = -48.77%
Formula
Percentage change = [(332 - 648) / 648] x 100
Subtract the new number by the original number
332 - 648 = -316
-316 ÷ 648 = -0.4876543209876543
-0.4876543209876543 x 100 = -48.77%