-56.02% is the change from 971 to 427
Calculation steps:
[( 427 - 971 ) ÷ 971] x 100 = -56.02%
Formula
Percentage change = [(427 - 971) / 971] x 100
Subtract the new number by the original number
427 - 971 = -544
-544 ÷ 971 = -0.5602471678681772
-0.5602471678681772 x 100 = -56.02%