-67.27% is the change from 987 to 323
Calculation steps:
[( 323 - 987 ) ÷ 987] x 100 = -67.27%
Formula
Percentage change = [(323 - 987) / 987] x 100
Subtract the new number by the original number
323 - 987 = -664
-664 ÷ 987 = -0.6727456940222898
-0.6727456940222898 x 100 = -67.27%