-20% is the change from 475 to 380
Calculation steps:
[( 380 - 475 ) ÷ 475] x 100 = -20%
Formula
Percentage change = [(380 - 475) / 475] x 100
Subtract the new number by the original number
380 - 475 = -95
-95 ÷ 475 = -0.2
-0.2 x 100 = -20%
Example