-31.79% is the change from 475 to 324
Calculation steps:
[( 324 - 475 ) ÷ 475] x 100 = -31.79%
Formula
Percentage change = [(324 - 475) / 475] x 100
Subtract the new number by the original number
324 - 475 = -151
-151 ÷ 475 = -0.3178947368421053
-0.3178947368421053 x 100 = -31.79%