-63.86% is the change from 642 to 232
Calculation steps:
[( 232 - 642 ) ÷ 642] x 100 = -63.86%
Formula
Percentage change = [(232 - 642) / 642] x 100
Subtract the new number by the original number
232 - 642 = -410
-410 ÷ 642 = -0.6386292834890965
-0.6386292834890965 x 100 = -63.86%