-58.79% is the change from 643 to 265
Calculation steps:
[( 265 - 643 ) ÷ 643] x 100 = -58.79%
Formula
Percentage change = [(265 - 643) / 643] x 100
Subtract the new number by the original number
265 - 643 = -378
-378 ÷ 643 = -0.5878693623639192
-0.5878693623639192 x 100 = -58.79%