-66.72% is the change from 619 to 206
Calculation steps:
[( 206 - 619 ) ÷ 619] x 100 = -66.72%
Formula
Percentage change = [(206 - 619) / 619] x 100
Subtract the new number by the original number
206 - 619 = -413
-413 ÷ 619 = -0.6672051696284329
-0.6672051696284329 x 100 = -66.72%