-42.89% is the change from 963 to 550
Calculation steps:
[( 550 - 963 ) ÷ 963] x 100 = -42.89%
Formula
Percentage change = [(550 - 963) / 963] x 100
Subtract the new number by the original number
550 - 963 = -413
-413 ÷ 963 = -0.4288681204569055
-0.4288681204569055 x 100 = -42.89%