-51.75% is the change from 514 to 248
Calculation steps:
[( 248 - 514 ) ÷ 514] x 100 = -51.75%
Formula
Percentage change = [(248 - 514) / 514] x 100
Subtract the new number by the original number
248 - 514 = -266
-266 ÷ 514 = -0.5175097276264592
-0.5175097276264592 x 100 = -51.75%