-90.48% is the change from 357 to 34
Calculation steps:
[( 34 - 357 ) ÷ 357] x 100 = -90.48%
Formula
Percentage change = [(34 - 357) / 357] x 100
Subtract the new number by the original number
34 - 357 = -323
-323 ÷ 357 = -0.9047619047619048
-0.9047619047619048 x 100 = -90.48%