-18.34% is the change from 627 to 512
Calculation steps:
[( 512 - 627 ) ÷ 627] x 100 = -18.34%
Formula
Percentage change = [(512 - 627) / 627] x 100
Subtract the new number by the original number
512 - 627 = -115
-115 ÷ 627 = -0.18341307814992025
-0.18341307814992025 x 100 = -18.34%