-33.5% is the change from 612 to 407
Calculation steps:
[( 407 - 612 ) ÷ 612] x 100 = -33.5%
Formula
Percentage change = [(407 - 612) / 612] x 100
Subtract the new number by the original number
407 - 612 = -205
-205 ÷ 612 = -0.3349673202614379
-0.3349673202614379 x 100 = -33.5%