64.16% is the change from 173 to 284
Calculation steps:
[( 284 - 173 ) ÷ 173] x 100 = 64.16%
Formula
Percentage change = [(284 - 173) / 173] x 100
Subtract the new number by the original number
284 - 173 = 111
111 ÷ 173 = 0.6416184971098265
0.6416184971098265 x 100 = 64.16%