-95.77% is the change from 921 to 39
Calculation steps:
[( 39 - 921 ) ÷ 921] x 100 = -95.77%
Formula
Percentage change = [(39 - 921) / 921] x 100
Subtract the new number by the original number
39 - 921 = -882
-882 ÷ 921 = -0.9576547231270358
-0.9576547231270358 x 100 = -95.77%