100.47% is the change from 215 to 431
Calculation steps:
[( 431 - 215 ) ÷ 215] x 100 = 100.47%
Formula
Percentage change = [(431 - 215) / 215] x 100
Subtract the new number by the original number
431 - 215 = 216
216 ÷ 215 = 1.0046511627906978
1.0046511627906978 x 100 = 100.47%