-90.87% is the change from 986 to 90
Calculation steps:
[( 90 - 986 ) ÷ 986] x 100 = -90.87%
Formula
Percentage change = [(90 - 986) / 986] x 100
Subtract the new number by the original number
90 - 986 = -896
-896 ÷ 986 = -0.9087221095334685
-0.9087221095334685 x 100 = -90.87%