-10.61% is the change from 820 to 733
Calculation steps:
[( 733 - 820 ) ÷ 820] x 100 = -10.61%
Formula
Percentage change = [(733 - 820) / 820] x 100
Subtract the new number by the original number
733 - 820 = -87
-87 ÷ 820 = -0.10609756097560975
-0.10609756097560975 x 100 = -10.61%