-61.59% is the change from 630 to 242
Calculation steps:
[( 242 - 630 ) ÷ 630] x 100 = -61.59%
Formula
Percentage change = [(242 - 630) / 630] x 100
Subtract the new number by the original number
242 - 630 = -388
-388 ÷ 630 = -0.6158730158730159
-0.6158730158730159 x 100 = -61.59%