-73.33% is the change from 971 to 259
Calculation steps:
[( 259 - 971 ) ÷ 971] x 100 = -73.33%
Formula
Percentage change = [(259 - 971) / 971] x 100
Subtract the new number by the original number
259 - 971 = -712
-712 ÷ 971 = -0.733264675592173
-0.733264675592173 x 100 = -73.33%