-7.32% is the change from 970 to 899
Calculation steps:
[( 899 - 970 ) ÷ 970] x 100 = -7.32%
Formula
Percentage change = [(899 - 970) / 970] x 100
Subtract the new number by the original number
899 - 970 = -71
-71 ÷ 970 = -0.0731958762886598
-0.0731958762886598 x 100 = -7.32%