-6.6% is the change from 970 to 906
Calculation steps:
[( 906 - 970 ) ÷ 970] x 100 = -6.6%
Formula
Percentage change = [(906 - 970) / 970] x 100
Subtract the new number by the original number
906 - 970 = -64
-64 ÷ 970 = -0.06597938144329897
-0.06597938144329897 x 100 = -6.6%