83.87% is the change from 124 to 228
Calculation steps:
[( 228 - 124 ) ÷ 124] x 100 = 83.87%
Formula
Percentage change = [(228 - 124) / 124] x 100
Subtract the new number by the original number
228 - 124 = 104
104 ÷ 124 = 0.8387096774193549
0.8387096774193549 x 100 = 83.87%