-54.79% is the change from 971 to 439
Calculation steps:
[( 439 - 971 ) ÷ 971] x 100 = -54.79%
Formula
Percentage change = [(439 - 971) / 971] x 100
Subtract the new number by the original number
439 - 971 = -532
-532 ÷ 971 = -0.5478887744593203
-0.5478887744593203 x 100 = -54.79%