98.84% is the change from 172 to 342
Calculation steps:
[( 342 - 172 ) ÷ 172] x 100 = 98.84%
Formula
Percentage change = [(342 - 172) / 172] x 100
Subtract the new number by the original number
342 - 172 = 170
170 ÷ 172 = 0.9883720930232558
0.9883720930232558 x 100 = 98.84%