-19.45% is the change from 838 to 675
Calculation steps:
[( 675 - 838 ) ÷ 838] x 100 = -19.45%
Formula
Percentage change = [(675 - 838) / 838] x 100
Subtract the new number by the original number
675 - 838 = -163
-163 ÷ 838 = -0.19451073985680192
-0.19451073985680192 x 100 = -19.45%