-5.75% is the change from 921 to 868
Calculation steps:
[( 868 - 921 ) ÷ 921] x 100 = -5.75%
Formula
Percentage change = [(868 - 921) / 921] x 100
Subtract the new number by the original number
868 - 921 = -53
-53 ÷ 921 = -0.05754614549402823
-0.05754614549402823 x 100 = -5.75%