-96.49% is the change from 939 to 33
Calculation steps:
[( 33 - 939 ) ÷ 939] x 100 = -96.49%
Formula
Percentage change = [(33 - 939) / 939] x 100
Subtract the new number by the original number
33 - 939 = -906
-906 ÷ 939 = -0.9648562300319489
-0.9648562300319489 x 100 = -96.49%