71.2% is the change from 184 to 315
Calculation steps:
[( 315 - 184 ) ÷ 184] x 100 = 71.2%
Formula
Percentage change = [(315 - 184) / 184] x 100
Subtract the new number by the original number
315 - 184 = 131
131 ÷ 184 = 0.7119565217391305
0.7119565217391305 x 100 = 71.2%