-31.23% is the change from 967 to 665
Calculation steps:
[( 665 - 967 ) ÷ 967] x 100 = -31.23%
Formula
Percentage change = [(665 - 967) / 967] x 100
Subtract the new number by the original number
665 - 967 = -302
-302 ÷ 967 = -0.31230610134436404
-0.31230610134436404 x 100 = -31.23%