-24.23% is the change from 648 to 491
Calculation steps:
[( 491 - 648 ) ÷ 648] x 100 = -24.23%
Formula
Percentage change = [(491 - 648) / 648] x 100
Subtract the new number by the original number
491 - 648 = -157
-157 ÷ 648 = -0.24228395061728394
-0.24228395061728394 x 100 = -24.23%