-27.8% is the change from 633 to 457
Calculation steps:
[( 457 - 633 ) ÷ 633] x 100 = -27.8%
Formula
Percentage change = [(457 - 633) / 633] x 100
Subtract the new number by the original number
457 - 633 = -176
-176 ÷ 633 = -0.27804107424960506
-0.27804107424960506 x 100 = -27.8%