-90.22% is the change from 900 to 88
Calculation steps:
[( 88 - 900 ) ÷ 900] x 100 = -90.22%
Formula
Percentage change = [(88 - 900) / 900] x 100
Subtract the new number by the original number
88 - 900 = -812
-812 ÷ 900 = -0.9022222222222223
-0.9022222222222223 x 100 = -90.22%