51.22% is the change from 164 to 248
Calculation steps:
[( 248 - 164 ) ÷ 164] x 100 = 51.22%
Formula
Percentage change = [(248 - 164) / 164] x 100
Subtract the new number by the original number
248 - 164 = 84
84 ÷ 164 = 0.5121951219512195
0.5121951219512195 x 100 = 51.22%