-61.14% is the change from 826 to 321
Calculation steps:
[( 321 - 826 ) ÷ 826] x 100 = -61.14%
Formula
Percentage change = [(321 - 826) / 826] x 100
Subtract the new number by the original number
321 - 826 = -505
-505 ÷ 826 = -0.6113801452784504
-0.6113801452784504 x 100 = -61.14%