-31.93% is the change from 927 to 631
Calculation steps:
[( 631 - 927 ) ÷ 927] x 100 = -31.93%
Formula
Percentage change = [(631 - 927) / 927] x 100
Subtract the new number by the original number
631 - 927 = -296
-296 ÷ 927 = -0.3193096008629989
-0.3193096008629989 x 100 = -31.93%