-33.9% is the change from 472 to 312
Calculation steps:
[( 312 - 472 ) ÷ 472] x 100 = -33.9%
Formula
Percentage change = [(312 - 472) / 472] x 100
Subtract the new number by the original number
312 - 472 = -160
-160 ÷ 472 = -0.3389830508474576
-0.3389830508474576 x 100 = -33.9%