-15.42% is the change from 986 to 834
Calculation steps:
[( 834 - 986 ) ÷ 986] x 100 = -15.42%
Formula
Percentage change = [(834 - 986) / 986] x 100
Subtract the new number by the original number
834 - 986 = -152
-152 ÷ 986 = -0.15415821501014199
-0.15415821501014199 x 100 = -15.42%