-31.37% is the change from 373 to 256
Calculation steps:
[( 256 - 373 ) ÷ 373] x 100 = -31.37%
Formula
Percentage change = [(256 - 373) / 373] x 100
Subtract the new number by the original number
256 - 373 = -117
-117 ÷ 373 = -0.3136729222520107
-0.3136729222520107 x 100 = -31.37%