-55.25% is the change from 505 to 226
Calculation steps:
[( 226 - 505 ) ÷ 505] x 100 = -55.25%
Formula
Percentage change = [(226 - 505) / 505] x 100
Subtract the new number by the original number
226 - 505 = -279
-279 ÷ 505 = -0.5524752475247525
-0.5524752475247525 x 100 = -55.25%