-1.92% is the change from 104 to 102
Calculation steps:
[( 102 - 104 ) ÷ 104] x 100 = -1.92%
Formula
Percentage change = [(102 - 104) / 104] x 100
Subtract the new number by the original number
102 - 104 = -2
-2 ÷ 104 = -0.019230769230769232
-0.019230769230769232 x 100 = -1.92%