-33.72% is the change from 611 to 405
Calculation steps:
[( 405 - 611 ) ÷ 611] x 100 = -33.72%
Formula
Percentage change = [(405 - 611) / 611] x 100
Subtract the new number by the original number
405 - 611 = -206
-206 ÷ 611 = -0.337152209492635
-0.337152209492635 x 100 = -33.72%