-79.09% is the change from 507 to 106
Calculation steps:
[( 106 - 507 ) ÷ 507] x 100 = -79.09%
Formula
Percentage change = [(106 - 507) / 507] x 100
Subtract the new number by the original number
106 - 507 = -401
-401 ÷ 507 = -0.7909270216962525
-0.7909270216962525 x 100 = -79.09%