-17.54% is the change from 838 to 691
Calculation steps:
[( 691 - 838 ) ÷ 838] x 100 = -17.54%
Formula
Percentage change = [(691 - 838) / 838] x 100
Subtract the new number by the original number
691 - 838 = -147
-147 ÷ 838 = -0.17541766109785203
-0.17541766109785203 x 100 = -17.54%