-72.58% is the change from 817 to 224
Calculation steps:
[( 224 - 817 ) ÷ 817] x 100 = -72.58%
Formula
Percentage change = [(224 - 817) / 817] x 100
Subtract the new number by the original number
224 - 817 = -593
-593 ÷ 817 = -0.7258261933904528
-0.7258261933904528 x 100 = -72.58%