-47.25% is the change from 965 to 509
Calculation steps:
[( 509 - 965 ) ÷ 965] x 100 = -47.25%
Formula
Percentage change = [(509 - 965) / 965] x 100
Subtract the new number by the original number
509 - 965 = -456
-456 ÷ 965 = -0.47253886010362695
-0.47253886010362695 x 100 = -47.25%