-80.03% is the change from 661 to 132
Calculation steps:
[( 132 - 661 ) ÷ 661] x 100 = -80.03%
Formula
Percentage change = [(132 - 661) / 661] x 100
Subtract the new number by the original number
132 - 661 = -529
-529 ÷ 661 = -0.800302571860817
-0.800302571860817 x 100 = -80.03%