-29.5% is the change from 539 to 380
Calculation steps:
[( 380 - 539 ) ÷ 539] x 100 = -29.5%
Formula
Percentage change = [(380 - 539) / 539] x 100
Subtract the new number by the original number
380 - 539 = -159
-159 ÷ 539 = -0.2949907235621521
-0.2949907235621521 x 100 = -29.5%