-86.45% is the change from 989 to 134
Calculation steps:
[( 134 - 989 ) ÷ 989] x 100 = -86.45%
Formula
Percentage change = [(134 - 989) / 989] x 100
Subtract the new number by the original number
134 - 989 = -855
-855 ÷ 989 = -0.8645096056622852
-0.8645096056622852 x 100 = -86.45%