87.2% is the change from 164 to 307
Calculation steps:
[( 307 - 164 ) ÷ 164] x 100 = 87.2%
Formula
Percentage change = [(307 - 164) / 164] x 100
Subtract the new number by the original number
307 - 164 = 143
143 ÷ 164 = 0.8719512195121951
0.8719512195121951 x 100 = 87.2%