-71.35% is the change from 855 to 245
Calculation steps:
[( 245 - 855 ) ÷ 855] x 100 = -71.35%
Formula
Percentage change = [(245 - 855) / 855] x 100
Subtract the new number by the original number
245 - 855 = -610
-610 ÷ 855 = -0.7134502923976608
-0.7134502923976608 x 100 = -71.35%