-78.61% is the change from 505 to 108
Calculation steps:
[( 108 - 505 ) ÷ 505] x 100 = -78.61%
Formula
Percentage change = [(108 - 505) / 505] x 100
Subtract the new number by the original number
108 - 505 = -397
-397 ÷ 505 = -0.7861386138613862
-0.7861386138613862 x 100 = -78.61%