-72.01% is the change from 643 to 180
Calculation steps:
[( 180 - 643 ) ÷ 643] x 100 = -72.01%
Formula
Percentage change = [(180 - 643) / 643] x 100
Subtract the new number by the original number
180 - 643 = -463
-463 ÷ 643 = -0.7200622083981337
-0.7200622083981337 x 100 = -72.01%