-54.8% is the change from 500 to 226
Calculation steps:
[( 226 - 500 ) ÷ 500] x 100 = -54.8%
Formula
Percentage change = [(226 - 500) / 500] x 100
Subtract the new number by the original number
226 - 500 = -274
-274 ÷ 500 = -0.548
-0.548 x 100 = -54.8%