74.7% is the change from 83 to 145
Calculation steps:
[( 145 - 83 ) ÷ 83] x 100 = 74.7%
Formula
Percentage change = [(145 - 83) / 83] x 100
Subtract the new number by the original number
145 - 83 = 62
62 ÷ 83 = 0.7469879518072289
0.7469879518072289 x 100 = 74.7%