-61.77% is the change from 633 to 242
Calculation steps:
[( 242 - 633 ) ÷ 633] x 100 = -61.77%
Formula
Percentage change = [(242 - 633) / 633] x 100
Subtract the new number by the original number
242 - 633 = -391
-391 ÷ 633 = -0.617693522906793
-0.617693522906793 x 100 = -61.77%