-24.58% is the change from 651 to 491
Calculation steps:
[( 491 - 651 ) ÷ 651] x 100 = -24.58%
Formula
Percentage change = [(491 - 651) / 651] x 100
Subtract the new number by the original number
491 - 651 = -160
-160 ÷ 651 = -0.2457757296466974
-0.2457757296466974 x 100 = -24.58%