86.38% is the change from 213 to 397
Calculation steps:
[( 397 - 213 ) ÷ 213] x 100 = 86.38%
Formula
Percentage change = [(397 - 213) / 213] x 100
Subtract the new number by the original number
397 - 213 = 184
184 ÷ 213 = 0.863849765258216
0.863849765258216 x 100 = 86.38%