-76.32% is the change from 642 to 152
Calculation steps:
[( 152 - 642 ) ÷ 642] x 100 = -76.32%
Formula
Percentage change = [(152 - 642) / 642] x 100
Subtract the new number by the original number
152 - 642 = -490
-490 ÷ 642 = -0.7632398753894081
-0.7632398753894081 x 100 = -76.32%