-73.6% is the change from 856 to 226
Calculation steps:
[( 226 - 856 ) ÷ 856] x 100 = -73.6%
Formula
Percentage change = [(226 - 856) / 856] x 100
Subtract the new number by the original number
226 - 856 = -630
-630 ÷ 856 = -0.735981308411215
-0.735981308411215 x 100 = -73.6%