-66.24% is the change from 619 to 209
Calculation steps:
[( 209 - 619 ) ÷ 619] x 100 = -66.24%
Formula
Percentage change = [(209 - 619) / 619] x 100
Subtract the new number by the original number
209 - 619 = -410
-410 ÷ 619 = -0.6623586429725363
-0.6623586429725363 x 100 = -66.24%