78.14% is the change from 215 to 383
Calculation steps:
[( 383 - 215 ) ÷ 215] x 100 = 78.14%
Formula
Percentage change = [(383 - 215) / 215] x 100
Subtract the new number by the original number
383 - 215 = 168
168 ÷ 215 = 0.7813953488372093
0.7813953488372093 x 100 = 78.14%