-98.29% is the change from 876 to 15
Calculation steps:
[( 15 - 876 ) ÷ 876] x 100 = -98.29%
Formula
Percentage change = [(15 - 876) / 876] x 100
Subtract the new number by the original number
15 - 876 = -861
-861 ÷ 876 = -0.9828767123287672
-0.9828767123287672 x 100 = -98.29%