97.24% is the change from 145 to 286
Calculation steps:
[( 286 - 145 ) ÷ 145] x 100 = 97.24%
Formula
Percentage change = [(286 - 145) / 145] x 100
Subtract the new number by the original number
286 - 145 = 141
141 ÷ 145 = 0.9724137931034482
0.9724137931034482 x 100 = 97.24%