-51.36% is the change from 627 to 305
Calculation steps:
[( 305 - 627 ) ÷ 627] x 100 = -51.36%
Formula
Percentage change = [(305 - 627) / 627] x 100
Subtract the new number by the original number
305 - 627 = -322
-322 ÷ 627 = -0.5135566188197768
-0.5135566188197768 x 100 = -51.36%