-37.1% is the change from 717 to 451
Calculation steps:
[( 451 - 717 ) ÷ 717] x 100 = -37.1%
Formula
Percentage change = [(451 - 717) / 717] x 100
Subtract the new number by the original number
451 - 717 = -266
-266 ÷ 717 = -0.37099023709902373
-0.37099023709902373 x 100 = -37.1%