-47.52% is the change from 966 to 507
Calculation steps:
[( 507 - 966 ) ÷ 966] x 100 = -47.52%
Formula
Percentage change = [(507 - 966) / 966] x 100
Subtract the new number by the original number
507 - 966 = -459
-459 ÷ 966 = -0.4751552795031056
-0.4751552795031056 x 100 = -47.52%