-68.93% is the change from 988 to 307
Calculation steps:
[( 307 - 988 ) ÷ 988] x 100 = -68.93%
Formula
Percentage change = [(307 - 988) / 988] x 100
Subtract the new number by the original number
307 - 988 = -681
-681 ÷ 988 = -0.6892712550607287
-0.6892712550607287 x 100 = -68.93%