-27.95% is the change from 644 to 464
Calculation steps:
[( 464 - 644 ) ÷ 644] x 100 = -27.95%
Formula
Percentage change = [(464 - 644) / 644] x 100
Subtract the new number by the original number
464 - 644 = -180
-180 ÷ 644 = -0.2795031055900621
-0.2795031055900621 x 100 = -27.95%