-27.16% is the change from 637 to 464
Calculation steps:
[( 464 - 637 ) ÷ 637] x 100 = -27.16%
Formula
Percentage change = [(464 - 637) / 637] x 100
Subtract the new number by the original number
464 - 637 = -173
-173 ÷ 637 = -0.271585557299843
-0.271585557299843 x 100 = -27.16%