-46.32% is the change from 190 to 102
Calculation steps:
[( 102 - 190 ) ÷ 190] x 100 = -46.32%
Formula
Percentage change = [(102 - 190) / 190] x 100
Subtract the new number by the original number
102 - 190 = -88
-88 ÷ 190 = -0.4631578947368421
-0.4631578947368421 x 100 = -46.32%