212.33% is the change from 73 to 228
Calculation steps:
[( 228 - 73 ) ÷ 73] x 100 = 212.33%
Formula
Percentage change = [(228 - 73) / 73] x 100
Subtract the new number by the original number
228 - 73 = 155
155 ÷ 73 = 2.1232876712328768
2.1232876712328768 x 100 = 212.33%