-0.26% is the change from 378 to 377
Calculation steps:
[( 377 - 378 ) ÷ 378] x 100 = -0.26%
Formula
Percentage change = [(377 - 378) / 378] x 100
Subtract the new number by the original number
377 - 378 = -1
-1 ÷ 378 = -0.0026455026455026454
-0.0026455026455026454 x 100 = -0.26%