-32.21% is the change from 981 to 665
Calculation steps:
[( 665 - 981 ) ÷ 981] x 100 = -32.21%
Formula
Percentage change = [(665 - 981) / 981] x 100
Subtract the new number by the original number
665 - 981 = -316
-316 ÷ 981 = -0.3221202854230377
-0.3221202854230377 x 100 = -32.21%