-65.31% is the change from 931 to 323
Calculation steps:
[( 323 - 931 ) ÷ 931] x 100 = -65.31%
Formula
Percentage change = [(323 - 931) / 931] x 100
Subtract the new number by the original number
323 - 931 = -608
-608 ÷ 931 = -0.6530612244897959
-0.6530612244897959 x 100 = -65.31%