-55.65% is the change from 230 to 102
Calculation steps:
[( 102 - 230 ) ÷ 230] x 100 = -55.65%
Formula
Percentage change = [(102 - 230) / 230] x 100
Subtract the new number by the original number
102 - 230 = -128
-128 ÷ 230 = -0.5565217391304348
-0.5565217391304348 x 100 = -55.65%