-29.62% is the change from 395 to 278
Calculation steps:
[( 278 - 395 ) ÷ 395] x 100 = -29.62%
Formula
Percentage change = [(278 - 395) / 395] x 100
Subtract the new number by the original number
278 - 395 = -117
-117 ÷ 395 = -0.29620253164556964
-0.29620253164556964 x 100 = -29.62%