70.73% is the change from 164 to 280
Calculation steps:
[( 280 - 164 ) ÷ 164] x 100 = 70.73%
Formula
Percentage change = [(280 - 164) / 164] x 100
Subtract the new number by the original number
280 - 164 = 116
116 ÷ 164 = 0.7073170731707317
0.7073170731707317 x 100 = 70.73%