-71.74% is the change from 821 to 232
Calculation steps:
[( 232 - 821 ) ÷ 821] x 100 = -71.74%
Formula
Percentage change = [(232 - 821) / 821] x 100
Subtract the new number by the original number
232 - 821 = -589
-589 ÷ 821 = -0.7174177831912302
-0.7174177831912302 x 100 = -71.74%