-66.4% is the change from 616 to 207
Calculation steps:
[( 207 - 616 ) ÷ 616] x 100 = -66.4%
Formula
Percentage change = [(207 - 616) / 616] x 100
Subtract the new number by the original number
207 - 616 = -409
-409 ÷ 616 = -0.663961038961039
-0.663961038961039 x 100 = -66.4%