-72.61% is the change from 836 to 229
Calculation steps:
[( 229 - 836 ) ÷ 836] x 100 = -72.61%
Formula
Percentage change = [(229 - 836) / 836] x 100
Subtract the new number by the original number
229 - 836 = -607
-607 ÷ 836 = -0.7260765550239234
-0.7260765550239234 x 100 = -72.61%