-28.95% is the change from 646 to 459
Calculation steps:
[( 459 - 646 ) ÷ 646] x 100 = -28.95%
Formula
Percentage change = [(459 - 646) / 646] x 100
Subtract the new number by the original number
459 - 646 = -187
-187 ÷ 646 = -0.2894736842105263
-0.2894736842105263 x 100 = -28.95%