-70.06% is the change from 628 to 188
Calculation steps:
[( 188 - 628 ) ÷ 628] x 100 = -70.06%
Formula
Percentage change = [(188 - 628) / 628] x 100
Subtract the new number by the original number
188 - 628 = -440
-440 ÷ 628 = -0.7006369426751592
-0.7006369426751592 x 100 = -70.06%