-50.78% is the change from 451 to 222
Calculation steps:
[( 222 - 451 ) ÷ 451] x 100 = -50.78%
Formula
Percentage change = [(222 - 451) / 451] x 100
Subtract the new number by the original number
222 - 451 = -229
-229 ÷ 451 = -0.5077605321507761
-0.5077605321507761 x 100 = -50.78%