-68.28% is the change from 621 to 197
Calculation steps:
[( 197 - 621 ) ÷ 621] x 100 = -68.28%
Formula
Percentage change = [(197 - 621) / 621] x 100
Subtract the new number by the original number
197 - 621 = -424
-424 ÷ 621 = -0.6827697262479872
-0.6827697262479872 x 100 = -68.28%