-91.33% is the change from 392 to 34
Calculation steps:
[( 34 - 392 ) ÷ 392] x 100 = -91.33%
Formula
Percentage change = [(34 - 392) / 392] x 100
Subtract the new number by the original number
34 - 392 = -358
-358 ÷ 392 = -0.9132653061224489
-0.9132653061224489 x 100 = -91.33%