-28.26% is the change from 644 to 462
Calculation steps:
[( 462 - 644 ) ÷ 644] x 100 = -28.26%
Formula
Percentage change = [(462 - 644) / 644] x 100
Subtract the new number by the original number
462 - 644 = -182
-182 ÷ 644 = -0.2826086956521739
-0.2826086956521739 x 100 = -28.26%