-70.41% is the change from 838 to 248
Calculation steps:
[( 248 - 838 ) ÷ 838] x 100 = -70.41%
Formula
Percentage change = [(248 - 838) / 838] x 100
Subtract the new number by the original number
248 - 838 = -590
-590 ÷ 838 = -0.7040572792362768
-0.7040572792362768 x 100 = -70.41%