-83.37% is the change from 451 to 75
Calculation steps:
[( 75 - 451 ) ÷ 451] x 100 = -83.37%
Formula
Percentage change = [(75 - 451) / 451] x 100
Subtract the new number by the original number
75 - 451 = -376
-376 ÷ 451 = -0.8337028824833703
-0.8337028824833703 x 100 = -83.37%