-97.96% is the change from 539 to 11
Calculation steps:
[( 11 - 539 ) ÷ 539] x 100 = -97.96%
Formula
Percentage change = [(11 - 539) / 539] x 100
Subtract the new number by the original number
11 - 539 = -528
-528 ÷ 539 = -0.9795918367346939
-0.9795918367346939 x 100 = -97.96%