-64.35% is the change from 906 to 323
Calculation steps:
[( 323 - 906 ) ÷ 906] x 100 = -64.35%
Formula
Percentage change = [(323 - 906) / 906] x 100
Subtract the new number by the original number
323 - 906 = -583
-583 ÷ 906 = -0.6434878587196468
-0.6434878587196468 x 100 = -64.35%