-90.42% is the change from 355 to 34
Calculation steps:
[( 34 - 355 ) ÷ 355] x 100 = -90.42%
Formula
Percentage change = [(34 - 355) / 355] x 100
Subtract the new number by the original number
34 - 355 = -321
-321 ÷ 355 = -0.9042253521126761
-0.9042253521126761 x 100 = -90.42%