-45.91% is the change from 514 to 278
Calculation steps:
[( 278 - 514 ) ÷ 514] x 100 = -45.91%
Formula
Percentage change = [(278 - 514) / 514] x 100
Subtract the new number by the original number
278 - 514 = -236
-236 ÷ 514 = -0.4591439688715953
-0.4591439688715953 x 100 = -45.91%