-40.67% is the change from 927 to 550
Calculation steps:
[( 550 - 927 ) ÷ 927] x 100 = -40.67%
Formula
Percentage change = [(550 - 927) / 927] x 100
Subtract the new number by the original number
550 - 927 = -377
-377 ÷ 927 = -0.40668824163969797
-0.40668824163969797 x 100 = -40.67%