-44.55% is the change from 642 to 356
Calculation steps:
[( 356 - 642 ) ÷ 642] x 100 = -44.55%
Formula
Percentage change = [(356 - 642) / 642] x 100
Subtract the new number by the original number
356 - 642 = -286
-286 ÷ 642 = -0.4454828660436137
-0.4454828660436137 x 100 = -44.55%