-72.59% is the change from 810 to 222
Calculation steps:
[( 222 - 810 ) ÷ 810] x 100 = -72.59%
Formula
Percentage change = [(222 - 810) / 810] x 100
Subtract the new number by the original number
222 - 810 = -588
-588 ÷ 810 = -0.725925925925926
-0.725925925925926 x 100 = -72.59%