173.63% is the change from 201 to 550
Calculation steps:
[( 550 - 201 ) ÷ 201] x 100 = 173.63%
Formula
Percentage change = [(550 - 201) / 201] x 100
Subtract the new number by the original number
550 - 201 = 349
349 ÷ 201 = 1.736318407960199
1.736318407960199 x 100 = 173.63%