-94.54% is the change from 623 to 34
Calculation steps:
[( 34 - 623 ) ÷ 623] x 100 = -94.54%
Formula
Percentage change = [(34 - 623) / 623] x 100
Subtract the new number by the original number
34 - 623 = -589
-589 ÷ 623 = -0.9454253611556982
-0.9454253611556982 x 100 = -94.54%