-48.04% is the change from 102 to 53
Calculation steps:
[( 53 - 102 ) ÷ 102] x 100 = -48.04%
Formula
Percentage change = [(53 - 102) / 102] x 100
Subtract the new number by the original number
53 - 102 = -49
-49 ÷ 102 = -0.4803921568627451
-0.4803921568627451 x 100 = -48.04%