-72.18% is the change from 816 to 227
Calculation steps:
[( 227 - 816 ) ÷ 816] x 100 = -72.18%
Formula
Percentage change = [(227 - 816) / 816] x 100
Subtract the new number by the original number
227 - 816 = -589
-589 ÷ 816 = -0.7218137254901961
-0.7218137254901961 x 100 = -72.18%