-32.72% is the change from 651 to 438
Calculation steps:
[( 438 - 651 ) ÷ 651] x 100 = -32.72%
Formula
Percentage change = [(438 - 651) / 651] x 100
Subtract the new number by the original number
438 - 651 = -213
-213 ÷ 651 = -0.3271889400921659
-0.3271889400921659 x 100 = -32.72%