-66.42% is the change from 539 to 181
Calculation steps:
[( 181 - 539 ) ÷ 539] x 100 = -66.42%
Formula
Percentage change = [(181 - 539) / 539] x 100
Subtract the new number by the original number
181 - 539 = -358
-358 ÷ 539 = -0.6641929499072357
-0.6641929499072357 x 100 = -66.42%