65.7% is the change from 172 to 285
Calculation steps:
[( 285 - 172 ) ÷ 172] x 100 = 65.7%
Formula
Percentage change = [(285 - 172) / 172] x 100
Subtract the new number by the original number
285 - 172 = 113
113 ÷ 172 = 0.6569767441860465
0.6569767441860465 x 100 = 65.7%