-98.48% is the change from 854 to 13
Calculation steps:
[( 13 - 854 ) ÷ 854] x 100 = -98.48%
Formula
Percentage change = [(13 - 854) / 854] x 100
Subtract the new number by the original number
13 - 854 = -841
-841 ÷ 854 = -0.9847775175644028
-0.9847775175644028 x 100 = -98.48%