112.26% is the change from 212 to 450
Calculation steps:
[( 450 - 212 ) ÷ 212] x 100 = 112.26%
Formula
Percentage change = [(450 - 212) / 212] x 100
Subtract the new number by the original number
450 - 212 = 238
238 ÷ 212 = 1.1226415094339623
1.1226415094339623 x 100 = 112.26%