89.16% is the change from 166 to 314
Calculation steps:
[( 314 - 166 ) ÷ 166] x 100 = 89.16%
Formula
Percentage change = [(314 - 166) / 166] x 100
Subtract the new number by the original number
314 - 166 = 148
148 ÷ 166 = 0.891566265060241
0.891566265060241 x 100 = 89.16%