-15.18% is the change from 988 to 838
Calculation steps:
[( 838 - 988 ) ÷ 988] x 100 = -15.18%
Formula
Percentage change = [(838 - 988) / 988] x 100
Subtract the new number by the original number
838 - 988 = -150
-150 ÷ 988 = -0.15182186234817813
-0.15182186234817813 x 100 = -15.18%