-80.26% is the change from 998 to 197
Calculation steps:
[( 197 - 998 ) ÷ 998] x 100 = -80.26%
Formula
Percentage change = [(197 - 998) / 998] x 100
Subtract the new number by the original number
197 - 998 = -801
-801 ÷ 998 = -0.8026052104208417
-0.8026052104208417 x 100 = -80.26%