-62.48% is the change from 621 to 233
Calculation steps:
[( 233 - 621 ) ÷ 621] x 100 = -62.48%
Formula
Percentage change = [(233 - 621) / 621] x 100
Subtract the new number by the original number
233 - 621 = -388
-388 ÷ 621 = -0.6247987117552335
-0.6247987117552335 x 100 = -62.48%