-81.26% is the change from 998 to 187
Calculation steps:
[( 187 - 998 ) ÷ 998] x 100 = -81.26%
Formula
Percentage change = [(187 - 998) / 998] x 100
Subtract the new number by the original number
187 - 998 = -811
-811 ÷ 998 = -0.812625250501002
-0.812625250501002 x 100 = -81.26%