-13.47% is the change from 505 to 437
Calculation steps:
[( 437 - 505 ) ÷ 505] x 100 = -13.47%
Formula
Percentage change = [(437 - 505) / 505] x 100
Subtract the new number by the original number
437 - 505 = -68
-68 ÷ 505 = -0.13465346534653466
-0.13465346534653466 x 100 = -13.47%
Example