-92.1% is the change from 886 to 70
Calculation steps:
[( 70 - 886 ) ÷ 886] x 100 = -92.1%
Formula
Percentage change = [(70 - 886) / 886] x 100
Subtract the new number by the original number
70 - 886 = -816
-816 ÷ 886 = -0.9209932279909706
-0.9209932279909706 x 100 = -92.1%