78.31% is the change from 83 to 148
Calculation steps:
[( 148 - 83 ) ÷ 83] x 100 = 78.31%
Formula
Percentage change = [(148 - 83) / 83] x 100
Subtract the new number by the original number
148 - 83 = 65
65 ÷ 83 = 0.7831325301204819
0.7831325301204819 x 100 = 78.31%