-4.02% is the change from 921 to 884
Calculation steps:
[( 884 - 921 ) ÷ 921] x 100 = -4.02%
Formula
Percentage change = [(884 - 921) / 921] x 100
Subtract the new number by the original number
884 - 921 = -37
-37 ÷ 921 = -0.04017372421281216
-0.04017372421281216 x 100 = -4.02%