-67.15% is the change from 621 to 204
Calculation steps:
[( 204 - 621 ) ÷ 621] x 100 = -67.15%
Formula
Percentage change = [(204 - 621) / 621] x 100
Subtract the new number by the original number
204 - 621 = -417
-417 ÷ 621 = -0.6714975845410628
-0.6714975845410628 x 100 = -67.15%