-76.13% is the change from 641 to 153
Calculation steps:
[( 153 - 641 ) ÷ 641] x 100 = -76.13%
Formula
Percentage change = [(153 - 641) / 641] x 100
Subtract the new number by the original number
153 - 641 = -488
-488 ÷ 641 = -0.7613104524180967
-0.7613104524180967 x 100 = -76.13%