-90.84% is the change from 983 to 90
Calculation steps:
[( 90 - 983 ) ÷ 983] x 100 = -90.84%
Formula
Percentage change = [(90 - 983) / 983] x 100
Subtract the new number by the original number
90 - 983 = -893
-893 ÷ 983 = -0.9084435401831129
-0.9084435401831129 x 100 = -90.84%