49.48% is the change from 97 to 145
Calculation steps:
[( 145 - 97 ) ÷ 97] x 100 = 49.48%
Formula
Percentage change = [(145 - 97) / 97] x 100
Subtract the new number by the original number
145 - 97 = 48
48 ÷ 97 = 0.4948453608247423
0.4948453608247423 x 100 = 49.48%
Example