-19.33% is the change from 921 to 743
Calculation steps:
[( 743 - 921 ) ÷ 921] x 100 = -19.33%
Formula
Percentage change = [(743 - 921) / 921] x 100
Subtract the new number by the original number
743 - 921 = -178
-178 ÷ 921 = -0.19326818675352878
-0.19326818675352878 x 100 = -19.33%