86.5% is the change from 163 to 304
Calculation steps:
[( 304 - 163 ) ÷ 163] x 100 = 86.5%
Formula
Percentage change = [(304 - 163) / 163] x 100
Subtract the new number by the original number
304 - 163 = 141
141 ÷ 163 = 0.8650306748466258
0.8650306748466258 x 100 = 86.5%