-73.51% is the change from 906 to 240
Calculation steps:
[( 240 - 906 ) ÷ 906] x 100 = -73.51%
Formula
Percentage change = [(240 - 906) / 906] x 100
Subtract the new number by the original number
240 - 906 = -666
-666 ÷ 906 = -0.7350993377483444
-0.7350993377483444 x 100 = -73.51%