-40.05% is the change from 814 to 488
Calculation steps:
[( 488 - 814 ) ÷ 814] x 100 = -40.05%
Formula
Percentage change = [(488 - 814) / 814] x 100
Subtract the new number by the original number
488 - 814 = -326
-326 ÷ 814 = -0.4004914004914005
-0.4004914004914005 x 100 = -40.05%