-60.17% is the change from 811 to 323
Calculation steps:
[( 323 - 811 ) ÷ 811] x 100 = -60.17%
Formula
Percentage change = [(323 - 811) / 811] x 100
Subtract the new number by the original number
323 - 811 = -488
-488 ÷ 811 = -0.6017262638717632
-0.6017262638717632 x 100 = -60.17%