-22.58% is the change from 651 to 504
Calculation steps:
[( 504 - 651 ) ÷ 651] x 100 = -22.58%
Formula
Percentage change = [(504 - 651) / 651] x 100
Subtract the new number by the original number
504 - 651 = -147
-147 ÷ 651 = -0.22580645161290322
-0.22580645161290322 x 100 = -22.58%