-73.09% is the change from 836 to 225
Calculation steps:
[( 225 - 836 ) ÷ 836] x 100 = -73.09%
Formula
Percentage change = [(225 - 836) / 836] x 100
Subtract the new number by the original number
225 - 836 = -611
-611 ÷ 836 = -0.7308612440191388
-0.7308612440191388 x 100 = -73.09%