478.57% is the change from 56 to 324
Calculation steps:
[( 324 - 56 ) ÷ 56] x 100 = 478.57%
Formula
Percentage change = [(324 - 56) / 56] x 100
Subtract the new number by the original number
324 - 56 = 268
268 ÷ 56 = 4.785714285714286
4.785714285714286 x 100 = 478.57%