-30.43% is the change from 953 to 663
Calculation steps:
[( 663 - 953 ) ÷ 953] x 100 = -30.43%
Formula
Percentage change = [(663 - 953) / 953] x 100
Subtract the new number by the original number
663 - 953 = -290
-290 ÷ 953 = -0.304302203567681
-0.304302203567681 x 100 = -30.43%