-14.85% is the change from 505 to 430
Calculation steps:
[( 430 - 505 ) ÷ 505] x 100 = -14.85%
Formula
Percentage change = [(430 - 505) / 505] x 100
Subtract the new number by the original number
430 - 505 = -75
-75 ÷ 505 = -0.1485148514851485
-0.1485148514851485 x 100 = -14.85%