-90.45% is the change from 356 to 34
Calculation steps:
[( 34 - 356 ) ÷ 356] x 100 = -90.45%
Formula
Percentage change = [(34 - 356) / 356] x 100
Subtract the new number by the original number
34 - 356 = -322
-322 ÷ 356 = -0.9044943820224719
-0.9044943820224719 x 100 = -90.45%