-65.37% is the change from 927 to 321
Calculation steps:
[( 321 - 927 ) ÷ 927] x 100 = -65.37%
Formula
Percentage change = [(321 - 927) / 927] x 100
Subtract the new number by the original number
321 - 927 = -606
-606 ÷ 927 = -0.6537216828478964
-0.6537216828478964 x 100 = -65.37%