-12.45% is the change from 514 to 450
Calculation steps:
[( 450 - 514 ) ÷ 514] x 100 = -12.45%
Formula
Percentage change = [(450 - 514) / 514] x 100
Subtract the new number by the original number
450 - 514 = -64
-64 ÷ 514 = -0.1245136186770428
-0.1245136186770428 x 100 = -12.45%