-65.06% is the change from 538 to 188
Calculation steps:
[( 188 - 538 ) ÷ 538] x 100 = -65.06%
Formula
Percentage change = [(188 - 538) / 538] x 100
Subtract the new number by the original number
188 - 538 = -350
-350 ÷ 538 = -0.6505576208178439
-0.6505576208178439 x 100 = -65.06%