-41.61% is the change from 423 to 247
Calculation steps:
[( 247 - 423 ) ÷ 423] x 100 = -41.61%
Formula
Percentage change = [(247 - 423) / 423] x 100
Subtract the new number by the original number
247 - 423 = -176
-176 ÷ 423 = -0.4160756501182033
-0.4160756501182033 x 100 = -41.61%