-32% is the change from 375 to 255
Calculation steps:
[( 255 - 375 ) ÷ 375] x 100 = -32%
Formula
Percentage change = [(255 - 375) / 375] x 100
Subtract the new number by the original number
255 - 375 = -120
-120 ÷ 375 = -0.32
-0.32 x 100 = -32%
Example