-21.43% is the change from 378 to 297
Calculation steps:
[( 297 - 378 ) ÷ 378] x 100 = -21.43%
Formula
Percentage change = [(297 - 378) / 378] x 100
Subtract the new number by the original number
297 - 378 = -81
-81 ÷ 378 = -0.21428571428571427
-0.21428571428571427 x 100 = -21.43%