-96.81% is the change from 972 to 31
Calculation steps:
[( 31 - 972 ) ÷ 972] x 100 = -96.81%
Formula
Percentage change = [(31 - 972) / 972] x 100
Subtract the new number by the original number
31 - 972 = -941
-941 ÷ 972 = -0.9681069958847737
-0.9681069958847737 x 100 = -96.81%