-43.06% is the change from 966 to 550
Calculation steps:
[( 550 - 966 ) ÷ 966] x 100 = -43.06%
Formula
Percentage change = [(550 - 966) / 966] x 100
Subtract the new number by the original number
550 - 966 = -416
-416 ÷ 966 = -0.4306418219461698
-0.4306418219461698 x 100 = -43.06%