-12.08% is the change from 621 to 546
Calculation steps:
[( 546 - 621 ) ÷ 621] x 100 = -12.08%
Formula
Percentage change = [(546 - 621) / 621] x 100
Subtract the new number by the original number
546 - 621 = -75
-75 ÷ 621 = -0.12077294685990338
-0.12077294685990338 x 100 = -12.08%