-90.34% is the change from 621 to 60
Calculation steps:
[( 60 - 621 ) ÷ 621] x 100 = -90.34%
Formula
Percentage change = [(60 - 621) / 621] x 100
Subtract the new number by the original number
60 - 621 = -561
-561 ÷ 621 = -0.9033816425120773
-0.9033816425120773 x 100 = -90.34%