187.96% is the change from 191 to 550
Calculation steps:
[( 550 - 191 ) ÷ 191] x 100 = 187.96%
Formula
Percentage change = [(550 - 191) / 191] x 100
Subtract the new number by the original number
550 - 191 = 359
359 ÷ 191 = 1.8795811518324608
1.8795811518324608 x 100 = 187.96%