-54.9% is the change from 102 to 46
Calculation steps:
[( 46 - 102 ) ÷ 102] x 100 = -54.9%
Formula
Percentage change = [(46 - 102) / 102] x 100
Subtract the new number by the original number
46 - 102 = -56
-56 ÷ 102 = -0.5490196078431373
-0.5490196078431373 x 100 = -54.9%