-33.39% is the change from 611 to 407
Calculation steps:
[( 407 - 611 ) ÷ 611] x 100 = -33.39%
Formula
Percentage change = [(407 - 611) / 611] x 100
Subtract the new number by the original number
407 - 611 = -204
-204 ÷ 611 = -0.33387888707037644
-0.33387888707037644 x 100 = -33.39%