-98% is the change from 902 to 18
Calculation steps:
[( 18 - 902 ) ÷ 902] x 100 = -98%
Formula
Percentage change = [(18 - 902) / 902] x 100
Subtract the new number by the original number
18 - 902 = -884
-884 ÷ 902 = -0.9800443458980045
-0.9800443458980045 x 100 = -98%