-56.28% is the change from 963 to 421
Calculation steps:
[( 421 - 963 ) ÷ 963] x 100 = -56.28%
Formula
Percentage change = [(421 - 963) / 963] x 100
Subtract the new number by the original number
421 - 963 = -542
-542 ÷ 963 = -0.5628245067497404
-0.5628245067497404 x 100 = -56.28%