85% is the change from 80 to 148
Calculation steps:
[( 148 - 80 ) ÷ 80] x 100 = 85%
Formula
Percentage change = [(148 - 80) / 80] x 100
Subtract the new number by the original number
148 - 80 = 68
68 ÷ 80 = 0.85
0.85 x 100 = 85%
Example