-34.32% is the change from 475 to 312
Calculation steps:
[( 312 - 475 ) ÷ 475] x 100 = -34.32%
Formula
Percentage change = [(312 - 475) / 475] x 100
Subtract the new number by the original number
312 - 475 = -163
-163 ÷ 475 = -0.3431578947368421
-0.3431578947368421 x 100 = -34.32%