-48.13% is the change from 669 to 347
Calculation steps:
[( 347 - 669 ) ÷ 669] x 100 = -48.13%
Formula
Percentage change = [(347 - 669) / 669] x 100
Subtract the new number by the original number
347 - 669 = -322
-322 ÷ 669 = -0.4813153961136024
-0.4813153961136024 x 100 = -48.13%