-78.96% is the change from 998 to 210
Calculation steps:
[( 210 - 998 ) ÷ 998] x 100 = -78.96%
Formula
Percentage change = [(210 - 998) / 998] x 100
Subtract the new number by the original number
210 - 998 = -788
-788 ÷ 998 = -0.7895791583166333
-0.7895791583166333 x 100 = -78.96%