373.17% is the change from 82 to 388
Calculation steps:
[( 388 - 82 ) ÷ 82] x 100 = 373.17%
Formula
Percentage change = [(388 - 82) / 82] x 100
Subtract the new number by the original number
388 - 82 = 306
306 ÷ 82 = 3.731707317073171
3.731707317073171 x 100 = 373.17%