-63.36% is the change from 876 to 321
Calculation steps:
[( 321 - 876 ) ÷ 876] x 100 = -63.36%
Formula
Percentage change = [(321 - 876) / 876] x 100
Subtract the new number by the original number
321 - 876 = -555
-555 ÷ 876 = -0.6335616438356164
-0.6335616438356164 x 100 = -63.36%