-2.46% is the change from 651 to 635
Calculation steps:
[( 635 - 651 ) ÷ 651] x 100 = -2.46%
Formula
Percentage change = [(635 - 651) / 651] x 100
Subtract the new number by the original number
635 - 651 = -16
-16 ÷ 651 = -0.02457757296466974
-0.02457757296466974 x 100 = -2.46%