-71.54% is the change from 643 to 183
Calculation steps:
[( 183 - 643 ) ÷ 643] x 100 = -71.54%
Formula
Percentage change = [(183 - 643) / 643] x 100
Subtract the new number by the original number
183 - 643 = -460
-460 ÷ 643 = -0.7153965785381027
-0.7153965785381027 x 100 = -71.54%