-32.22% is the change from 987 to 669
Calculation steps:
[( 669 - 987 ) ÷ 987] x 100 = -32.22%
Formula
Percentage change = [(669 - 987) / 987] x 100
Subtract the new number by the original number
669 - 987 = -318
-318 ÷ 987 = -0.3221884498480243
-0.3221884498480243 x 100 = -32.22%