-79.97% is the change from 649 to 130
Calculation steps:
[( 130 - 649 ) ÷ 649] x 100 = -79.97%
Formula
Percentage change = [(130 - 649) / 649] x 100
Subtract the new number by the original number
130 - 649 = -519
-519 ÷ 649 = -0.7996918335901386
-0.7996918335901386 x 100 = -79.97%