-23.27% is the change from 507 to 389
Calculation steps:
[( 389 - 507 ) ÷ 507] x 100 = -23.27%
Formula
Percentage change = [(389 - 507) / 507] x 100
Subtract the new number by the original number
389 - 507 = -118
-118 ÷ 507 = -0.23274161735700197
-0.23274161735700197 x 100 = -23.27%