-47.13% is the change from 957 to 506
Calculation steps:
[( 506 - 957 ) ÷ 957] x 100 = -47.13%
Formula
Percentage change = [(506 - 957) / 957] x 100
Subtract the new number by the original number
506 - 957 = -451
-451 ÷ 957 = -0.47126436781609193
-0.47126436781609193 x 100 = -47.13%