-94.13% is the change from 971 to 57
Calculation steps:
[( 57 - 971 ) ÷ 971] x 100 = -94.13%
Formula
Percentage change = [(57 - 971) / 971] x 100
Subtract the new number by the original number
57 - 971 = -914
-914 ÷ 971 = -0.94129763130793
-0.94129763130793 x 100 = -94.13%