-73.18% is the change from 839 to 225
Calculation steps:
[( 225 - 839 ) ÷ 839] x 100 = -73.18%
Formula
Percentage change = [(225 - 839) / 839] x 100
Subtract the new number by the original number
225 - 839 = -614
-614 ÷ 839 = -0.7318235995232419
-0.7318235995232419 x 100 = -73.18%