-31.46% is the change from 963 to 660
Calculation steps:
[( 660 - 963 ) ÷ 963] x 100 = -31.46%
Formula
Percentage change = [(660 - 963) / 963] x 100
Subtract the new number by the original number
660 - 963 = -303
-303 ÷ 963 = -0.3146417445482866
-0.3146417445482866 x 100 = -31.46%