-36.24% is the change from 643 to 410
Calculation steps:
[( 410 - 643 ) ÷ 643] x 100 = -36.24%
Formula
Percentage change = [(410 - 643) / 643] x 100
Subtract the new number by the original number
410 - 643 = -233
-233 ÷ 643 = -0.36236391912908245
-0.36236391912908245 x 100 = -36.24%