-65.45% is the change from 605 to 209
Calculation steps:
[( 209 - 605 ) ÷ 605] x 100 = -65.45%
Formula
Percentage change = [(209 - 605) / 605] x 100
Subtract the new number by the original number
209 - 605 = -396
-396 ÷ 605 = -0.6545454545454545
-0.6545454545454545 x 100 = -65.45%