-79.51% is the change from 649 to 133
Calculation steps:
[( 133 - 649 ) ÷ 649] x 100 = -79.51%
Formula
Percentage change = [(133 - 649) / 649] x 100
Subtract the new number by the original number
133 - 649 = -516
-516 ÷ 649 = -0.7950693374422187
-0.7950693374422187 x 100 = -79.51%