-66.43% is the change from 971 to 326
Calculation steps:
[( 326 - 971 ) ÷ 971] x 100 = -66.43%
Formula
Percentage change = [(326 - 971) / 971] x 100
Subtract the new number by the original number
326 - 971 = -645
-645 ÷ 971 = -0.6642636457260556
-0.6642636457260556 x 100 = -66.43%