-8.14% is the change from 970 to 891
Calculation steps:
[( 891 - 970 ) ÷ 970] x 100 = -8.14%
Formula
Percentage change = [(891 - 970) / 970] x 100
Subtract the new number by the original number
891 - 970 = -79
-79 ÷ 970 = -0.08144329896907217
-0.08144329896907217 x 100 = -8.14%