-43.23% is the change from 310 to 176
Calculation steps:
[( 176 - 310 ) ÷ 310] x 100 = -43.23%
Formula
Percentage change = [(176 - 310) / 310] x 100
Subtract the new number by the original number
176 - 310 = -134
-134 ÷ 310 = -0.432258064516129
-0.432258064516129 x 100 = -43.23%