-20.41% is the change from 921 to 733
Calculation steps:
[( 733 - 921 ) ÷ 921] x 100 = -20.41%
Formula
Percentage change = [(733 - 921) / 921] x 100
Subtract the new number by the original number
733 - 921 = -188
-188 ÷ 921 = -0.20412595005428882
-0.20412595005428882 x 100 = -20.41%