-69.24% is the change from 998 to 307
Calculation steps:
[( 307 - 998 ) ÷ 998] x 100 = -69.24%
Formula
Percentage change = [(307 - 998) / 998] x 100
Subtract the new number by the original number
307 - 998 = -691
-691 ÷ 998 = -0.6923847695390781
-0.6923847695390781 x 100 = -69.24%