-10.91% is the change from 651 to 580
Calculation steps:
[( 580 - 651 ) ÷ 651] x 100 = -10.91%
Formula
Percentage change = [(580 - 651) / 651] x 100
Subtract the new number by the original number
580 - 651 = -71
-71 ÷ 651 = -0.10906298003072197
-0.10906298003072197 x 100 = -10.91%