191.01% is the change from 189 to 550
Calculation steps:
[( 550 - 189 ) ÷ 189] x 100 = 191.01%
Formula
Percentage change = [(550 - 189) / 189] x 100
Subtract the new number by the original number
550 - 189 = 361
361 ÷ 189 = 1.91005291005291
1.91005291005291 x 100 = 191.01%