-49.17% is the change from 539 to 274
Calculation steps:
[( 274 - 539 ) ÷ 539] x 100 = -49.17%
Formula
Percentage change = [(274 - 539) / 539] x 100
Subtract the new number by the original number
274 - 539 = -265
-265 ÷ 539 = -0.49165120593692024
-0.49165120593692024 x 100 = -49.17%