-66.17% is the change from 606 to 205
Calculation steps:
[( 205 - 606 ) ÷ 606] x 100 = -66.17%
Formula
Percentage change = [(205 - 606) / 606] x 100
Subtract the new number by the original number
205 - 606 = -401
-401 ÷ 606 = -0.6617161716171617
-0.6617161716171617 x 100 = -66.17%