-60.58% is the change from 992 to 391
Calculation steps:
[( 391 - 992 ) ÷ 992] x 100 = -60.58%
Formula
Percentage change = [(391 - 992) / 992] x 100
Subtract the new number by the original number
391 - 992 = -601
-601 ÷ 992 = -0.6058467741935484
-0.6058467741935484 x 100 = -60.58%