-28.31% is the change from 378 to 271
Calculation steps:
[( 271 - 378 ) ÷ 378] x 100 = -28.31%
Formula
Percentage change = [(271 - 378) / 378] x 100
Subtract the new number by the original number
271 - 378 = -107
-107 ÷ 378 = -0.2830687830687831
-0.2830687830687831 x 100 = -28.31%