-66.23% is the change from 607 to 205
Calculation steps:
[( 205 - 607 ) ÷ 607] x 100 = -66.23%
Formula
Percentage change = [(205 - 607) / 607] x 100
Subtract the new number by the original number
205 - 607 = -402
-402 ÷ 607 = -0.6622734761120264
-0.6622734761120264 x 100 = -66.23%