-30.94% is the change from 963 to 665
Calculation steps:
[( 665 - 963 ) ÷ 963] x 100 = -30.94%
Formula
Percentage change = [(665 - 963) / 963] x 100
Subtract the new number by the original number
665 - 963 = -298
-298 ÷ 963 = -0.3094496365524403
-0.3094496365524403 x 100 = -30.94%