-39.61% is the change from 972 to 587
Calculation steps:
[( 587 - 972 ) ÷ 972] x 100 = -39.61%
Formula
Percentage change = [(587 - 972) / 972] x 100
Subtract the new number by the original number
587 - 972 = -385
-385 ÷ 972 = -0.39609053497942387
-0.39609053497942387 x 100 = -39.61%