-70.72% is the change from 970 to 284
Calculation steps:
[( 284 - 970 ) ÷ 970] x 100 = -70.72%
Formula
Percentage change = [(284 - 970) / 970] x 100
Subtract the new number by the original number
284 - 970 = -686
-686 ÷ 970 = -0.7072164948453609
-0.7072164948453609 x 100 = -70.72%