-47.09% is the change from 945 to 500
Calculation steps:
[( 500 - 945 ) ÷ 945] x 100 = -47.09%
Formula
Percentage change = [(500 - 945) / 945] x 100
Subtract the new number by the original number
500 - 945 = -445
-445 ÷ 945 = -0.4708994708994709
-0.4708994708994709 x 100 = -47.09%