189.08% is the change from 238 to 688
Calculation steps:
[( 688 - 238 ) ÷ 238] x 100 = 189.08%
Formula
Percentage change = [(688 - 238) / 238] x 100
Subtract the new number by the original number
688 - 238 = 450
450 ÷ 238 = 1.8907563025210083
1.8907563025210083 x 100 = 189.08%