84.94% is the change from 166 to 307
Calculation steps:
[( 307 - 166 ) ÷ 166] x 100 = 84.94%
Formula
Percentage change = [(307 - 166) / 166] x 100
Subtract the new number by the original number
307 - 166 = 141
141 ÷ 166 = 0.8493975903614458
0.8493975903614458 x 100 = 84.94%