-98.26% is the change from 862 to 15
Calculation steps:
[( 15 - 862 ) ÷ 862] x 100 = -98.26%
Formula
Percentage change = [(15 - 862) / 862] x 100
Subtract the new number by the original number
15 - 862 = -847
-847 ÷ 862 = -0.9825986078886311
-0.9825986078886311 x 100 = -98.26%