-91.52% is the change from 401 to 34
Calculation steps:
[( 34 - 401 ) ÷ 401] x 100 = -91.52%
Formula
Percentage change = [(34 - 401) / 401] x 100
Subtract the new number by the original number
34 - 401 = -367
-367 ÷ 401 = -0.9152119700748129
-0.9152119700748129 x 100 = -91.52%