82.55% is the change from 212 to 387
Calculation steps:
[( 387 - 212 ) ÷ 212] x 100 = 82.55%
Formula
Percentage change = [(387 - 212) / 212] x 100
Subtract the new number by the original number
387 - 212 = 175
175 ÷ 212 = 0.8254716981132075
0.8254716981132075 x 100 = 82.55%