-72.73% is the change from 539 to 147
Calculation steps:
[( 147 - 539 ) ÷ 539] x 100 = -72.73%
Formula
Percentage change = [(147 - 539) / 539] x 100
Subtract the new number by the original number
147 - 539 = -392
-392 ÷ 539 = -0.7272727272727273
-0.7272727272727273 x 100 = -72.73%