-47.21% is the change from 519 to 274
Calculation steps:
[( 274 - 519 ) ÷ 519] x 100 = -47.21%
Formula
Percentage change = [(274 - 519) / 519] x 100
Subtract the new number by the original number
274 - 519 = -245
-245 ÷ 519 = -0.4720616570327553
-0.4720616570327553 x 100 = -47.21%