-85.95% is the change from 918 to 129
Calculation steps:
[( 129 - 918 ) ÷ 918] x 100 = -85.95%
Formula
Percentage change = [(129 - 918) / 918] x 100
Subtract the new number by the original number
129 - 918 = -789
-789 ÷ 918 = -0.8594771241830066
-0.8594771241830066 x 100 = -85.95%