-39.33% is the change from 623 to 378
Calculation steps:
[( 378 - 623 ) ÷ 623] x 100 = -39.33%
Formula
Percentage change = [(378 - 623) / 623] x 100
Subtract the new number by the original number
378 - 623 = -245
-245 ÷ 623 = -0.39325842696629215
-0.39325842696629215 x 100 = -39.33%