-73.8% is the change from 855 to 224
Calculation steps:
[( 224 - 855 ) ÷ 855] x 100 = -73.8%
Formula
Percentage change = [(224 - 855) / 855] x 100
Subtract the new number by the original number
224 - 855 = -631
-631 ÷ 855 = -0.7380116959064328
-0.7380116959064328 x 100 = -73.8%