-76.12% is the change from 649 to 155
Calculation steps:
[( 155 - 649 ) ÷ 649] x 100 = -76.12%
Formula
Percentage change = [(155 - 649) / 649] x 100
Subtract the new number by the original number
155 - 649 = -494
-494 ÷ 649 = -0.7611710323574731
-0.7611710323574731 x 100 = -76.12%