-64.29% is the change from 927 to 331
Calculation steps:
[( 331 - 927 ) ÷ 927] x 100 = -64.29%
Formula
Percentage change = [(331 - 927) / 927] x 100
Subtract the new number by the original number
331 - 927 = -596
-596 ÷ 927 = -0.6429341963322546
-0.6429341963322546 x 100 = -64.29%