-12.06% is the change from 821 to 722
Calculation steps:
[( 722 - 821 ) ÷ 821] x 100 = -12.06%
Formula
Percentage change = [(722 - 821) / 821] x 100
Subtract the new number by the original number
722 - 821 = -99
-99 ÷ 821 = -0.12058465286236297
-0.12058465286236297 x 100 = -12.06%