-71.39% is the change from 797 to 228
Calculation steps:
[( 228 - 797 ) ÷ 797] x 100 = -71.39%
Formula
Percentage change = [(228 - 797) / 797] x 100
Subtract the new number by the original number
228 - 797 = -569
-569 ÷ 797 = -0.7139272271016311
-0.7139272271016311 x 100 = -71.39%