-8.73% is the change from 378 to 345
Calculation steps:
[( 345 - 378 ) ÷ 378] x 100 = -8.73%
Formula
Percentage change = [(345 - 378) / 378] x 100
Subtract the new number by the original number
345 - 378 = -33
-33 ÷ 378 = -0.0873015873015873
-0.0873015873015873 x 100 = -8.73%