134.38% is the change from 192 to 450
Calculation steps:
[( 450 - 192 ) ÷ 192] x 100 = 134.38%
Formula
Percentage change = [(450 - 192) / 192] x 100
Subtract the new number by the original number
450 - 192 = 258
258 ÷ 192 = 1.34375
1.34375 x 100 = 134.38%