-64.25% is the change from 621 to 222
Calculation steps:
[( 222 - 621 ) ÷ 621] x 100 = -64.25%
Formula
Percentage change = [(222 - 621) / 621] x 100
Subtract the new number by the original number
222 - 621 = -399
-399 ÷ 621 = -0.642512077294686
-0.642512077294686 x 100 = -64.25%