-30.67% is the change from 988 to 685
Calculation steps:
[( 685 - 988 ) ÷ 988] x 100 = -30.67%
Formula
Percentage change = [(685 - 988) / 988] x 100
Subtract the new number by the original number
685 - 988 = -303
-303 ÷ 988 = -0.3066801619433198
-0.3066801619433198 x 100 = -30.67%