73.47% is the change from 49 to 85
Calculation steps:
[( 85 - 49 ) ÷ 49] x 100 = 73.47%
Formula
Percentage change = [(85 - 49) / 49] x 100
Subtract the new number by the original number
85 - 49 = 36
36 ÷ 49 = 0.7346938775510204
0.7346938775510204 x 100 = 73.47%