-5.62% is the change from 641 to 605
Calculation steps:
[( 605 - 641 ) ÷ 641] x 100 = -5.62%
Formula
Percentage change = [(605 - 641) / 641] x 100
Subtract the new number by the original number
605 - 641 = -36
-36 ÷ 641 = -0.056162246489859596
-0.056162246489859596 x 100 = -5.62%