-80.5% is the change from 677 to 132
Calculation steps:
[( 132 - 677 ) ÷ 677] x 100 = -80.5%
Formula
Percentage change = [(132 - 677) / 677] x 100
Subtract the new number by the original number
132 - 677 = -545
-545 ÷ 677 = -0.8050221565731167
-0.8050221565731167 x 100 = -80.5%