-54.93% is the change from 497 to 224
Calculation steps:
[( 224 - 497 ) ÷ 497] x 100 = -54.93%
Formula
Percentage change = [(224 - 497) / 497] x 100
Subtract the new number by the original number
224 - 497 = -273
-273 ÷ 497 = -0.5492957746478874
-0.5492957746478874 x 100 = -54.93%