-48.86% is the change from 88 to 45
Calculation steps:
[( 45 - 88 ) ÷ 88] x 100 = -48.86%
Formula
Percentage change = [(45 - 88) / 88] x 100
Subtract the new number by the original number
45 - 88 = -43
-43 ÷ 88 = -0.48863636363636365
-0.48863636363636365 x 100 = -48.86%