96.55% is the change from 145 to 285
Calculation steps:
[( 285 - 145 ) ÷ 145] x 100 = 96.55%
Formula
Percentage change = [(285 - 145) / 145] x 100
Subtract the new number by the original number
285 - 145 = 140
140 ÷ 145 = 0.9655172413793104
0.9655172413793104 x 100 = 96.55%