-65.41% is the change from 928 to 321
Calculation steps:
[( 321 - 928 ) ÷ 928] x 100 = -65.41%
Formula
Percentage change = [(321 - 928) / 928] x 100
Subtract the new number by the original number
321 - 928 = -607
-607 ÷ 928 = -0.6540948275862069
-0.6540948275862069 x 100 = -65.41%