97.66% is the change from 214 to 423
Calculation steps:
[( 423 - 214 ) ÷ 214] x 100 = 97.66%
Formula
Percentage change = [(423 - 214) / 214] x 100
Subtract the new number by the original number
423 - 214 = 209
209 ÷ 214 = 0.9766355140186916
0.9766355140186916 x 100 = 97.66%