-73.64% is the change from 918 to 242
Calculation steps:
[( 242 - 918 ) ÷ 918] x 100 = -73.64%
Formula
Percentage change = [(242 - 918) / 918] x 100
Subtract the new number by the original number
242 - 918 = -676
-676 ÷ 918 = -0.7363834422657952
-0.7363834422657952 x 100 = -73.64%