88.84% is the change from 215 to 406
Calculation steps:
[( 406 - 215 ) ÷ 215] x 100 = 88.84%
Formula
Percentage change = [(406 - 215) / 215] x 100
Subtract the new number by the original number
406 - 215 = 191
191 ÷ 215 = 0.8883720930232558
0.8883720930232558 x 100 = 88.84%