153.17% is the change from 331 to 838
Calculation steps:
[( 838 - 331 ) ÷ 331] x 100 = 153.17%
Formula
Percentage change = [(838 - 331) / 331] x 100
Subtract the new number by the original number
838 - 331 = 507
507 ÷ 331 = 1.5317220543806647
1.5317220543806647 x 100 = 153.17%