-43.13% is the change from 313 to 178
Calculation steps:
[( 178 - 313 ) ÷ 313] x 100 = -43.13%
Formula
Percentage change = [(178 - 313) / 313] x 100
Subtract the new number by the original number
178 - 313 = -135
-135 ÷ 313 = -0.43130990415335463
-0.43130990415335463 x 100 = -43.13%