-62.15% is the change from 848 to 321
Calculation steps:
[( 321 - 848 ) ÷ 848] x 100 = -62.15%
Formula
Percentage change = [(321 - 848) / 848] x 100
Subtract the new number by the original number
321 - 848 = -527
-527 ÷ 848 = -0.6214622641509434
-0.6214622641509434 x 100 = -62.15%