-77.36% is the change from 923 to 209
Calculation steps:
[( 209 - 923 ) ÷ 923] x 100 = -77.36%
Formula
Percentage change = [(209 - 923) / 923] x 100
Subtract the new number by the original number
209 - 923 = -714
-714 ÷ 923 = -0.7735644637053087
-0.7735644637053087 x 100 = -77.36%