-67.15% is the change from 627 to 206
Calculation steps:
[( 206 - 627 ) ÷ 627] x 100 = -67.15%
Formula
Percentage change = [(206 - 627) / 627] x 100
Subtract the new number by the original number
206 - 627 = -421
-421 ÷ 627 = -0.671451355661882
-0.671451355661882 x 100 = -67.15%