-56.99% is the change from 651 to 280
Calculation steps:
[( 280 - 651 ) ÷ 651] x 100 = -56.99%
Formula
Percentage change = [(280 - 651) / 651] x 100
Subtract the new number by the original number
280 - 651 = -371
-371 ÷ 651 = -0.5698924731182796
-0.5698924731182796 x 100 = -56.99%