-47.36% is the change from 967 to 509
Calculation steps:
[( 509 - 967 ) ÷ 967] x 100 = -47.36%
Formula
Percentage change = [(509 - 967) / 967] x 100
Subtract the new number by the original number
509 - 967 = -458
-458 ÷ 967 = -0.4736297828335057
-0.4736297828335057 x 100 = -47.36%