-47.61% is the change from 964 to 505
Calculation steps:
[( 505 - 964 ) ÷ 964] x 100 = -47.61%
Formula
Percentage change = [(505 - 964) / 964] x 100
Subtract the new number by the original number
505 - 964 = -459
-459 ÷ 964 = -0.47614107883817425
-0.47614107883817425 x 100 = -47.61%