-86.27% is the change from 998 to 137
Calculation steps:
[( 137 - 998 ) ÷ 998] x 100 = -86.27%
Formula
Percentage change = [(137 - 998) / 998] x 100
Subtract the new number by the original number
137 - 998 = -861
-861 ÷ 998 = -0.8627254509018036
-0.8627254509018036 x 100 = -86.27%