-87.94% is the change from 539 to 65
Calculation steps:
[( 65 - 539 ) ÷ 539] x 100 = -87.94%
Formula
Percentage change = [(65 - 539) / 539] x 100
Subtract the new number by the original number
65 - 539 = -474
-474 ÷ 539 = -0.8794063079777366
-0.8794063079777366 x 100 = -87.94%