-3.8% is the change from 921 to 886
Calculation steps:
[( 886 - 921 ) ÷ 921] x 100 = -3.8%
Formula
Percentage change = [(886 - 921) / 921] x 100
Subtract the new number by the original number
886 - 921 = -35
-35 ÷ 921 = -0.038002171552660155
-0.038002171552660155 x 100 = -3.8%