-43.5% is the change from 669 to 378
Calculation steps:
[( 378 - 669 ) ÷ 669] x 100 = -43.5%
Formula
Percentage change = [(378 - 669) / 669] x 100
Subtract the new number by the original number
378 - 669 = -291
-291 ÷ 669 = -0.4349775784753363
-0.4349775784753363 x 100 = -43.5%