-99.28% is the change from 970 to 7
Calculation steps:
[( 7 - 970 ) ÷ 970] x 100 = -99.28%
Formula
Percentage change = [(7 - 970) / 970] x 100
Subtract the new number by the original number
7 - 970 = -963
-963 ÷ 970 = -0.9927835051546392
-0.9927835051546392 x 100 = -99.28%