-28.06% is the change from 645 to 464
Calculation steps:
[( 464 - 645 ) ÷ 645] x 100 = -28.06%
Formula
Percentage change = [(464 - 645) / 645] x 100
Subtract the new number by the original number
464 - 645 = -181
-181 ÷ 645 = -0.2806201550387597
-0.2806201550387597 x 100 = -28.06%