-79.53% is the change from 972 to 199
Calculation steps:
[( 199 - 972 ) ÷ 972] x 100 = -79.53%
Formula
Percentage change = [(199 - 972) / 972] x 100
Subtract the new number by the original number
199 - 972 = -773
-773 ÷ 972 = -0.7952674897119342
-0.7952674897119342 x 100 = -79.53%