-72.47% is the change from 821 to 226
Calculation steps:
[( 226 - 821 ) ÷ 821] x 100 = -72.47%
Formula
Percentage change = [(226 - 821) / 821] x 100
Subtract the new number by the original number
226 - 821 = -595
-595 ÷ 821 = -0.7247259439707674
-0.7247259439707674 x 100 = -72.47%