-99.74% is the change from 378 to 1
Calculation steps:
[( 1 - 378 ) ÷ 378] x 100 = -99.74%
Formula
Percentage change = [(1 - 378) / 378] x 100
Subtract the new number by the original number
1 - 378 = -377
-377 ÷ 378 = -0.9973544973544973
-0.9973544973544973 x 100 = -99.74%