-23.05% is the change from 998 to 768
Calculation steps:
[( 768 - 998 ) ÷ 998] x 100 = -23.05%
Formula
Percentage change = [(768 - 998) / 998] x 100
Subtract the new number by the original number
768 - 998 = -230
-230 ÷ 998 = -0.23046092184368738
-0.23046092184368738 x 100 = -23.05%