-51.34% is the change from 522 to 254
Calculation steps:
[( 254 - 522 ) ÷ 522] x 100 = -51.34%
Formula
Percentage change = [(254 - 522) / 522] x 100
Subtract the new number by the original number
254 - 522 = -268
-268 ÷ 522 = -0.5134099616858238
-0.5134099616858238 x 100 = -51.34%