-54.76% is the change from 378 to 171
Calculation steps:
[( 171 - 378 ) ÷ 378] x 100 = -54.76%
Formula
Percentage change = [(171 - 378) / 378] x 100
Subtract the new number by the original number
171 - 378 = -207
-207 ÷ 378 = -0.5476190476190477
-0.5476190476190477 x 100 = -54.76%