-53% is the change from 651 to 306
Calculation steps:
[( 306 - 651 ) ÷ 651] x 100 = -53%
Formula
Percentage change = [(306 - 651) / 651] x 100
Subtract the new number by the original number
306 - 651 = -345
-345 ÷ 651 = -0.5299539170506913
-0.5299539170506913 x 100 = -53%