-76.19% is the change from 651 to 155
Calculation steps:
[( 155 - 651 ) ÷ 651] x 100 = -76.19%
Formula
Percentage change = [(155 - 651) / 651] x 100
Subtract the new number by the original number
155 - 651 = -496
-496 ÷ 651 = -0.7619047619047619
-0.7619047619047619 x 100 = -76.19%