-22.85% is the change from 998 to 770
Calculation steps:
[( 770 - 998 ) ÷ 998] x 100 = -22.85%
Formula
Percentage change = [(770 - 998) / 998] x 100
Subtract the new number by the original number
770 - 998 = -228
-228 ÷ 998 = -0.22845691382765532
-0.22845691382765532 x 100 = -22.85%