356.34% is the change from 71 to 324
Calculation steps:
[( 324 - 71 ) ÷ 71] x 100 = 356.34%
Formula
Percentage change = [(324 - 71) / 71] x 100
Subtract the new number by the original number
324 - 71 = 253
253 ÷ 71 = 3.563380281690141
3.563380281690141 x 100 = 356.34%