-57.82% is the change from 927 to 391
Calculation steps:
[( 391 - 927 ) ÷ 927] x 100 = -57.82%
Formula
Percentage change = [(391 - 927) / 927] x 100
Subtract the new number by the original number
391 - 927 = -536
-536 ÷ 927 = -0.5782092772384034
-0.5782092772384034 x 100 = -57.82%