-51.43% is the change from 523 to 254
Calculation steps:
[( 254 - 523 ) ÷ 523] x 100 = -51.43%
Formula
Percentage change = [(254 - 523) / 523] x 100
Subtract the new number by the original number
254 - 523 = -269
-269 ÷ 523 = -0.51434034416826
-0.51434034416826 x 100 = -51.43%