-30.58% is the change from 955 to 663
Calculation steps:
[( 663 - 955 ) ÷ 955] x 100 = -30.58%
Formula
Percentage change = [(663 - 955) / 955] x 100
Subtract the new number by the original number
663 - 955 = -292
-292 ÷ 955 = -0.3057591623036649
-0.3057591623036649 x 100 = -30.58%