-65.85% is the change from 612 to 209
Calculation steps:
[( 209 - 612 ) ÷ 612] x 100 = -65.85%
Formula
Percentage change = [(209 - 612) / 612] x 100
Subtract the new number by the original number
209 - 612 = -403
-403 ÷ 612 = -0.6584967320261438
-0.6584967320261438 x 100 = -65.85%