-0.3% is the change from 988 to 985
Calculation steps:
[( 985 - 988 ) ÷ 988] x 100 = -0.3%
Formula
Percentage change = [(985 - 988) / 988] x 100
Subtract the new number by the original number
985 - 988 = -3
-3 ÷ 988 = -0.003036437246963563
-0.003036437246963563 x 100 = -0.3%