-97.96% is the change from 538 to 11
Calculation steps:
[( 11 - 538 ) ÷ 538] x 100 = -97.96%
Formula
Percentage change = [(11 - 538) / 538] x 100
Subtract the new number by the original number
11 - 538 = -527
-527 ÷ 538 = -0.9795539033457249
-0.9795539033457249 x 100 = -97.96%