-79.66% is the change from 649 to 132
Calculation steps:
[( 132 - 649 ) ÷ 649] x 100 = -79.66%
Formula
Percentage change = [(132 - 649) / 649] x 100
Subtract the new number by the original number
132 - 649 = -517
-517 ÷ 649 = -0.7966101694915254
-0.7966101694915254 x 100 = -79.66%