-18.59% is the change from 651 to 530
Calculation steps:
[( 530 - 651 ) ÷ 651] x 100 = -18.59%
Formula
Percentage change = [(530 - 651) / 651] x 100
Subtract the new number by the original number
530 - 651 = -121
-121 ÷ 651 = -0.1858678955453149
-0.1858678955453149 x 100 = -18.59%