-66.07% is the change from 616 to 209
Calculation steps:
[( 209 - 616 ) ÷ 616] x 100 = -66.07%
Formula
Percentage change = [(209 - 616) / 616] x 100
Subtract the new number by the original number
209 - 616 = -407
-407 ÷ 616 = -0.6607142857142857
-0.6607142857142857 x 100 = -66.07%