-5.64% is the change from 976 to 921
Calculation steps:
[( 921 - 976 ) ÷ 976] x 100 = -5.64%
Formula
Percentage change = [(921 - 976) / 976] x 100
Subtract the new number by the original number
921 - 976 = -55
-55 ÷ 976 = -0.05635245901639344
-0.05635245901639344 x 100 = -5.64%