-26.31% is the change from 612 to 451
Calculation steps:
[( 451 - 612 ) ÷ 612] x 100 = -26.31%
Formula
Percentage change = [(451 - 612) / 612] x 100
Subtract the new number by the original number
451 - 612 = -161
-161 ÷ 612 = -0.2630718954248366
-0.2630718954248366 x 100 = -26.31%