-23.87% is the change from 507 to 386
Calculation steps:
[( 386 - 507 ) ÷ 507] x 100 = -23.87%
Formula
Percentage change = [(386 - 507) / 507] x 100
Subtract the new number by the original number
386 - 507 = -121
-121 ÷ 507 = -0.23865877712031558
-0.23865877712031558 x 100 = -23.87%