-54.89% is the change from 971 to 438
Calculation steps:
[( 438 - 971 ) ÷ 971] x 100 = -54.89%
Formula
Percentage change = [(438 - 971) / 971] x 100
Subtract the new number by the original number
438 - 971 = -533
-533 ÷ 971 = -0.548918640576725
-0.548918640576725 x 100 = -54.89%