73.17% is the change from 164 to 284
Calculation steps:
[( 284 - 164 ) ÷ 164] x 100 = 73.17%
Formula
Percentage change = [(284 - 164) / 164] x 100
Subtract the new number by the original number
284 - 164 = 120
120 ÷ 164 = 0.7317073170731707
0.7317073170731707 x 100 = 73.17%