-61.03% is the change from 621 to 242
Calculation steps:
[( 242 - 621 ) ÷ 621] x 100 = -61.03%
Formula
Percentage change = [(242 - 621) / 621] x 100
Subtract the new number by the original number
242 - 621 = -379
-379 ÷ 621 = -0.6103059581320451
-0.6103059581320451 x 100 = -61.03%