87.5% is the change from 184 to 345
Calculation steps:
[( 345 - 184 ) ÷ 184] x 100 = 87.5%
Formula
Percentage change = [(345 - 184) / 184] x 100
Subtract the new number by the original number
345 - 184 = 161
161 ÷ 184 = 0.875
0.875 x 100 = 87.5%
Example