-66.78% is the change from 918 to 305
Calculation steps:
[( 305 - 918 ) ÷ 918] x 100 = -66.78%
Formula
Percentage change = [(305 - 918) / 918] x 100
Subtract the new number by the original number
305 - 918 = -613
-613 ÷ 918 = -0.6677559912854031
-0.6677559912854031 x 100 = -66.78%