272.25% is the change from 173 to 644
Calculation steps:
[( 644 - 173 ) ÷ 173] x 100 = 272.25%
Formula
Percentage change = [(644 - 173) / 173] x 100
Subtract the new number by the original number
644 - 173 = 471
471 ÷ 173 = 2.722543352601156
2.722543352601156 x 100 = 272.25%