-30.87% is the change from 988 to 683
Calculation steps:
[( 683 - 988 ) ÷ 988] x 100 = -30.87%
Formula
Percentage change = [(683 - 988) / 988] x 100
Subtract the new number by the original number
683 - 988 = -305
-305 ÷ 988 = -0.30870445344129555
-0.30870445344129555 x 100 = -30.87%