228.8% is the change from 191 to 628
Calculation steps:
[( 628 - 191 ) ÷ 191] x 100 = 228.8%
Formula
Percentage change = [(628 - 191) / 191] x 100
Subtract the new number by the original number
628 - 191 = 437
437 ÷ 191 = 2.287958115183246
2.287958115183246 x 100 = 228.8%