79.53% is the change from 215 to 386
Calculation steps:
[( 386 - 215 ) ÷ 215] x 100 = 79.53%
Formula
Percentage change = [(386 - 215) / 215] x 100
Subtract the new number by the original number
386 - 215 = 171
171 ÷ 215 = 0.7953488372093023
0.7953488372093023 x 100 = 79.53%