-37.28% is the change from 456 to 286
Calculation steps:
[( 286 - 456 ) ÷ 456] x 100 = -37.28%
Formula
Percentage change = [(286 - 456) / 456] x 100
Subtract the new number by the original number
286 - 456 = -170
-170 ÷ 456 = -0.37280701754385964
-0.37280701754385964 x 100 = -37.28%