-28.87% is the change from 970 to 690
Calculation steps:
[( 690 - 970 ) ÷ 970] x 100 = -28.87%
Formula
Percentage change = [(690 - 970) / 970] x 100
Subtract the new number by the original number
690 - 970 = -280
-280 ÷ 970 = -0.28865979381443296
-0.28865979381443296 x 100 = -28.87%