-23.94% is the change from 497 to 378
Calculation steps:
[( 378 - 497 ) ÷ 497] x 100 = -23.94%
Formula
Percentage change = [(378 - 497) / 497] x 100
Subtract the new number by the original number
378 - 497 = -119
-119 ÷ 497 = -0.23943661971830985
-0.23943661971830985 x 100 = -23.94%