-78.7% is the change from 493 to 105
Calculation steps:
[( 105 - 493 ) ÷ 493] x 100 = -78.7%
Formula
Percentage change = [(105 - 493) / 493] x 100
Subtract the new number by the original number
105 - 493 = -388
-388 ÷ 493 = -0.7870182555780934
-0.7870182555780934 x 100 = -78.7%