-25.6% is the change from 621 to 462
Calculation steps:
[( 462 - 621 ) ÷ 621] x 100 = -25.6%
Formula
Percentage change = [(462 - 621) / 621] x 100
Subtract the new number by the original number
462 - 621 = -159
-159 ÷ 621 = -0.2560386473429952
-0.2560386473429952 x 100 = -25.6%