-68.03% is the change from 538 to 172
Calculation steps:
[( 172 - 538 ) ÷ 538] x 100 = -68.03%
Formula
Percentage change = [(172 - 538) / 538] x 100
Subtract the new number by the original number
172 - 538 = -366
-366 ÷ 538 = -0.6802973977695167
-0.6802973977695167 x 100 = -68.03%