-88.42% is the change from 838 to 97
Calculation steps:
[( 97 - 838 ) ÷ 838] x 100 = -88.42%
Formula
Percentage change = [(97 - 838) / 838] x 100
Subtract the new number by the original number
97 - 838 = -741
-741 ÷ 838 = -0.8842482100238663
-0.8842482100238663 x 100 = -88.42%