-37.22% is the change from 489 to 307
Calculation steps:
[( 307 - 489 ) ÷ 489] x 100 = -37.22%
Formula
Percentage change = [(307 - 489) / 489] x 100
Subtract the new number by the original number
307 - 489 = -182
-182 ÷ 489 = -0.3721881390593047
-0.3721881390593047 x 100 = -37.22%