-66.4% is the change from 628 to 211
Calculation steps:
[( 211 - 628 ) ÷ 628] x 100 = -66.4%
Formula
Percentage change = [(211 - 628) / 628] x 100
Subtract the new number by the original number
211 - 628 = -417
-417 ÷ 628 = -0.6640127388535032
-0.6640127388535032 x 100 = -66.4%