88.43% is the change from 121 to 228
Calculation steps:
[( 228 - 121 ) ÷ 121] x 100 = 88.43%
Formula
Percentage change = [(228 - 121) / 121] x 100
Subtract the new number by the original number
228 - 121 = 107
107 ÷ 121 = 0.8842975206611571
0.8842975206611571 x 100 = 88.43%