99.53% is the change from 215 to 429
Calculation steps:
[( 429 - 215 ) ÷ 215] x 100 = 99.53%
Formula
Percentage change = [(429 - 215) / 215] x 100
Subtract the new number by the original number
429 - 215 = 214
214 ÷ 215 = 0.9953488372093023
0.9953488372093023 x 100 = 99.53%