-97.94% is the change from 972 to 20
Calculation steps:
[( 20 - 972 ) ÷ 972] x 100 = -97.94%
Formula
Percentage change = [(20 - 972) / 972] x 100
Subtract the new number by the original number
20 - 972 = -952
-952 ÷ 972 = -0.9794238683127572
-0.9794238683127572 x 100 = -97.94%