-54.05% is the change from 642 to 295
Calculation steps:
[( 295 - 642 ) ÷ 642] x 100 = -54.05%
Formula
Percentage change = [(295 - 642) / 642] x 100
Subtract the new number by the original number
295 - 642 = -347
-347 ÷ 642 = -0.5404984423676013
-0.5404984423676013 x 100 = -54.05%