-50.73% is the change from 964 to 475
Calculation steps:
[( 475 - 964 ) ÷ 964] x 100 = -50.73%
Formula
Percentage change = [(475 - 964) / 964] x 100
Subtract the new number by the original number
475 - 964 = -489
-489 ÷ 964 = -0.5072614107883817
-0.5072614107883817 x 100 = -50.73%