-24.2% is the change from 405 to 307
Calculation steps:
[( 307 - 405 ) ÷ 405] x 100 = -24.2%
Formula
Percentage change = [(307 - 405) / 405] x 100
Subtract the new number by the original number
307 - 405 = -98
-98 ÷ 405 = -0.2419753086419753
-0.2419753086419753 x 100 = -24.2%