-33.17% is the change from 612 to 409
Calculation steps:
[( 409 - 612 ) ÷ 612] x 100 = -33.17%
Formula
Percentage change = [(409 - 612) / 612] x 100
Subtract the new number by the original number
409 - 612 = -203
-203 ÷ 612 = -0.33169934640522875
-0.33169934640522875 x 100 = -33.17%