-33.55% is the change from 611 to 406
Calculation steps:
[( 406 - 611 ) ÷ 611] x 100 = -33.55%
Formula
Percentage change = [(406 - 611) / 611] x 100
Subtract the new number by the original number
406 - 611 = -205
-205 ÷ 611 = -0.3355155482815057
-0.3355155482815057 x 100 = -33.55%