-71.43% is the change from 539 to 154
Calculation steps:
[( 154 - 539 ) ÷ 539] x 100 = -71.43%
Formula
Percentage change = [(154 - 539) / 539] x 100
Subtract the new number by the original number
154 - 539 = -385
-385 ÷ 539 = -0.7142857142857143
-0.7142857142857143 x 100 = -71.43%