-84.97% is the change from 918 to 138
Calculation steps:
[( 138 - 918 ) ÷ 918] x 100 = -84.97%
Formula
Percentage change = [(138 - 918) / 918] x 100
Subtract the new number by the original number
138 - 918 = -780
-780 ÷ 918 = -0.8496732026143791
-0.8496732026143791 x 100 = -84.97%