4528.57% is the change from 7 to 324
Calculation steps:
[( 324 - 7 ) ÷ 7] x 100 = 4528.57%
Formula
Percentage change = [(324 - 7) / 7] x 100
Subtract the new number by the original number
324 - 7 = 317
317 ÷ 7 = 45.285714285714285
45.285714285714285 x 100 = 4528.57%