-56.08% is the change from 378 to 166
Calculation steps:
[( 166 - 378 ) ÷ 378] x 100 = -56.08%
Formula
Percentage change = [(166 - 378) / 378] x 100
Subtract the new number by the original number
166 - 378 = -212
-212 ÷ 378 = -0.5608465608465608
-0.5608465608465608 x 100 = -56.08%