-1.14% is the change from 88 to 87
Calculation steps:
[( 87 - 88 ) ÷ 88] x 100 = -1.14%
Formula
Percentage change = [(87 - 88) / 88] x 100
Subtract the new number by the original number
87 - 88 = -1
-1 ÷ 88 = -0.011363636363636364
-0.011363636363636364 x 100 = -1.14%