-16.85% is the change from 641 to 533
Calculation steps:
[( 533 - 641 ) ÷ 641] x 100 = -16.85%
Formula
Percentage change = [(533 - 641) / 641] x 100
Subtract the new number by the original number
533 - 641 = -108
-108 ÷ 641 = -0.1684867394695788
-0.1684867394695788 x 100 = -16.85%