63.83% is the change from 188 to 308
Calculation steps:
[( 308 - 188 ) ÷ 188] x 100 = 63.83%
Formula
Percentage change = [(308 - 188) / 188] x 100
Subtract the new number by the original number
308 - 188 = 120
120 ÷ 188 = 0.6382978723404256
0.6382978723404256 x 100 = 63.83%