-9.22% is the change from 651 to 591
Calculation steps:
[( 591 - 651 ) ÷ 651] x 100 = -9.22%
Formula
Percentage change = [(591 - 651) / 651] x 100
Subtract the new number by the original number
591 - 651 = -60
-60 ÷ 651 = -0.09216589861751152
-0.09216589861751152 x 100 = -9.22%