56.55% is the change from 145 to 227
Calculation steps:
[( 227 - 145 ) ÷ 145] x 100 = 56.55%
Formula
Percentage change = [(227 - 145) / 145] x 100
Subtract the new number by the original number
227 - 145 = 82
82 ÷ 145 = 0.5655172413793104
0.5655172413793104 x 100 = 56.55%