-70.47% is the change from 972 to 287
Calculation steps:
[( 287 - 972 ) ÷ 972] x 100 = -70.47%
Formula
Percentage change = [(287 - 972) / 972] x 100
Subtract the new number by the original number
287 - 972 = -685
-685 ÷ 972 = -0.7047325102880658
-0.7047325102880658 x 100 = -70.47%