-13.59% is the change from 515 to 445
Calculation steps:
[( 445 - 515 ) ÷ 515] x 100 = -13.59%
Formula
Percentage change = [(445 - 515) / 515] x 100
Subtract the new number by the original number
445 - 515 = -70
-70 ÷ 515 = -0.13592233009708737
-0.13592233009708737 x 100 = -13.59%