-65.87% is the change from 378 to 129
Calculation steps:
[( 129 - 378 ) ÷ 378] x 100 = -65.87%
Formula
Percentage change = [(129 - 378) / 378] x 100
Subtract the new number by the original number
129 - 378 = -249
-249 ÷ 378 = -0.6587301587301587
-0.6587301587301587 x 100 = -65.87%