-72.53% is the change from 819 to 225
Calculation steps:
[( 225 - 819 ) ÷ 819] x 100 = -72.53%
Formula
Percentage change = [(225 - 819) / 819] x 100
Subtract the new number by the original number
225 - 819 = -594
-594 ÷ 819 = -0.7252747252747253
-0.7252747252747253 x 100 = -72.53%