142.77% is the change from 173 to 420
Calculation steps:
[( 420 - 173 ) ÷ 173] x 100 = 142.77%
Formula
Percentage change = [(420 - 173) / 173] x 100
Subtract the new number by the original number
420 - 173 = 247
247 ÷ 173 = 1.4277456647398843
1.4277456647398843 x 100 = 142.77%