-32.62% is the change from 987 to 665
Calculation steps:
[( 665 - 987 ) ÷ 987] x 100 = -32.62%
Formula
Percentage change = [(665 - 987) / 987] x 100
Subtract the new number by the original number
665 - 987 = -322
-322 ÷ 987 = -0.3262411347517731
-0.3262411347517731 x 100 = -32.62%