54.05% is the change from 148 to 228
Calculation steps:
[( 228 - 148 ) ÷ 148] x 100 = 54.05%
Formula
Percentage change = [(228 - 148) / 148] x 100
Subtract the new number by the original number
228 - 148 = 80
80 ÷ 148 = 0.5405405405405406
0.5405405405405406 x 100 = 54.05%