-3.8% is the change from 999 to 961
Calculation steps:
[( 961 - 999 ) ÷ 999] x 100 = -3.8%
Formula
Percentage change = [(961 - 999) / 999] x 100
Subtract the new number by the original number
961 - 999 = -38
-38 ÷ 999 = -0.03803803803803804
-0.03803803803803804 x 100 = -3.8%