-99.69% is the change from 970 to 3
Calculation steps:
[( 3 - 970 ) ÷ 970] x 100 = -99.69%
Formula
Percentage change = [(3 - 970) / 970] x 100
Subtract the new number by the original number
3 - 970 = -967
-967 ÷ 970 = -0.9969072164948454
-0.9969072164948454 x 100 = -99.69%