-73.54% is the change from 839 to 222
Calculation steps:
[( 222 - 839 ) ÷ 839] x 100 = -73.54%
Formula
Percentage change = [(222 - 839) / 839] x 100
Subtract the new number by the original number
222 - 839 = -617
-617 ÷ 839 = -0.735399284862932
-0.735399284862932 x 100 = -73.54%