-99.69% is the change from 977 to 3
Calculation steps:
[( 3 - 977 ) ÷ 977] x 100 = -99.69%
Formula
Percentage change = [(3 - 977) / 977] x 100
Subtract the new number by the original number
3 - 977 = -974
-974 ÷ 977 = -0.9969293756397134
-0.9969293756397134 x 100 = -99.69%