-58.95% is the change from 972 to 399
Calculation steps:
[( 399 - 972 ) ÷ 972] x 100 = -58.95%
Formula
Percentage change = [(399 - 972) / 972] x 100
Subtract the new number by the original number
399 - 972 = -573
-573 ÷ 972 = -0.5895061728395061
-0.5895061728395061 x 100 = -58.95%