270.11% is the change from 174 to 644
Calculation steps:
[( 644 - 174 ) ÷ 174] x 100 = 270.11%
Formula
Percentage change = [(644 - 174) / 174] x 100
Subtract the new number by the original number
644 - 174 = 470
470 ÷ 174 = 2.7011494252873565
2.7011494252873565 x 100 = 270.11%