-28.97% is the change from 970 to 689
Calculation steps:
[( 689 - 970 ) ÷ 970] x 100 = -28.97%
Formula
Percentage change = [(689 - 970) / 970] x 100
Subtract the new number by the original number
689 - 970 = -281
-281 ÷ 970 = -0.28969072164948456
-0.28969072164948456 x 100 = -28.97%