-57.14% is the change from 238 to 102
Calculation steps:
[( 102 - 238 ) ÷ 238] x 100 = -57.14%
Formula
Percentage change = [(102 - 238) / 238] x 100
Subtract the new number by the original number
102 - 238 = -136
-136 ÷ 238 = -0.5714285714285714
-0.5714285714285714 x 100 = -57.14%