-76.93% is the change from 672 to 155
Calculation steps:
[( 155 - 672 ) ÷ 672] x 100 = -76.93%
Formula
Percentage change = [(155 - 672) / 672] x 100
Subtract the new number by the original number
155 - 672 = -517
-517 ÷ 672 = -0.7693452380952381
-0.7693452380952381 x 100 = -76.93%