-43.07% is the change from 664 to 378
Calculation steps:
[( 378 - 664 ) ÷ 664] x 100 = -43.07%
Formula
Percentage change = [(378 - 664) / 664] x 100
Subtract the new number by the original number
378 - 664 = -286
-286 ÷ 664 = -0.4307228915662651
-0.4307228915662651 x 100 = -43.07%