-64.77% is the change from 931 to 328
Calculation steps:
[( 328 - 931 ) ÷ 931] x 100 = -64.77%
Formula
Percentage change = [(328 - 931) / 931] x 100
Subtract the new number by the original number
328 - 931 = -603
-603 ÷ 931 = -0.6476906552094522
-0.6476906552094522 x 100 = -64.77%