83.72% is the change from 215 to 395
Calculation steps:
[( 395 - 215 ) ÷ 215] x 100 = 83.72%
Formula
Percentage change = [(395 - 215) / 215] x 100
Subtract the new number by the original number
395 - 215 = 180
180 ÷ 215 = 0.8372093023255814
0.8372093023255814 x 100 = 83.72%