-29.86% is the change from 442 to 310
Calculation steps:
[( 310 - 442 ) ÷ 442] x 100 = -29.86%
Formula
Percentage change = [(310 - 442) / 442] x 100
Subtract the new number by the original number
310 - 442 = -132
-132 ÷ 442 = -0.2986425339366516
-0.2986425339366516 x 100 = -29.86%