65.9% is the change from 173 to 287
Calculation steps:
[( 287 - 173 ) ÷ 173] x 100 = 65.9%
Formula
Percentage change = [(287 - 173) / 173] x 100
Subtract the new number by the original number
287 - 173 = 114
114 ÷ 173 = 0.6589595375722543
0.6589595375722543 x 100 = 65.9%