-64.4% is the change from 927 to 330
Calculation steps:
[( 330 - 927 ) ÷ 927] x 100 = -64.4%
Formula
Percentage change = [(330 - 927) / 927] x 100
Subtract the new number by the original number
330 - 927 = -597
-597 ÷ 927 = -0.6440129449838188
-0.6440129449838188 x 100 = -64.4%