225.71% is the change from 70 to 228
Calculation steps:
[( 228 - 70 ) ÷ 70] x 100 = 225.71%
Formula
Percentage change = [(228 - 70) / 70] x 100
Subtract the new number by the original number
228 - 70 = 158
158 ÷ 70 = 2.257142857142857
2.257142857142857 x 100 = 225.71%