134.3% is the change from 172 to 403
Calculation steps:
[( 403 - 172 ) ÷ 172] x 100 = 134.3%
Formula
Percentage change = [(403 - 172) / 172] x 100
Subtract the new number by the original number
403 - 172 = 231
231 ÷ 172 = 1.3430232558139534
1.3430232558139534 x 100 = 134.3%