-50% is the change from 376 to 188
Calculation steps:
[( 188 - 376 ) ÷ 376] x 100 = -50%
Formula
Percentage change = [(188 - 376) / 376] x 100
Subtract the new number by the original number
188 - 376 = -188
-188 ÷ 376 = -0.5
-0.5 x 100 = -50%
Example