-31.61% is the change from 965 to 660
Calculation steps:
[( 660 - 965 ) ÷ 965] x 100 = -31.61%
Formula
Percentage change = [(660 - 965) / 965] x 100
Subtract the new number by the original number
660 - 965 = -305
-305 ÷ 965 = -0.3160621761658031
-0.3160621761658031 x 100 = -31.61%