-29.48% is the change from 648 to 457
Calculation steps:
[( 457 - 648 ) ÷ 648] x 100 = -29.48%
Formula
Percentage change = [(457 - 648) / 648] x 100
Subtract the new number by the original number
457 - 648 = -191
-191 ÷ 648 = -0.29475308641975306
-0.29475308641975306 x 100 = -29.48%