170.8% is the change from 113 to 306
Calculation steps:
[( 306 - 113 ) ÷ 113] x 100 = 170.8%
Formula
Percentage change = [(306 - 113) / 113] x 100
Subtract the new number by the original number
306 - 113 = 193
193 ÷ 113 = 1.7079646017699115
1.7079646017699115 x 100 = 170.8%