-4.94% is the change from 971 to 923
Calculation steps:
[( 923 - 971 ) ÷ 971] x 100 = -4.94%
Formula
Percentage change = [(923 - 971) / 971] x 100
Subtract the new number by the original number
923 - 971 = -48
-48 ÷ 971 = -0.04943357363542739
-0.04943357363542739 x 100 = -4.94%