371.84% is the change from 174 to 821
Calculation steps:
[( 821 - 174 ) ÷ 174] x 100 = 371.84%
Formula
Percentage change = [(821 - 174) / 174] x 100
Subtract the new number by the original number
821 - 174 = 647
647 ÷ 174 = 3.718390804597701
3.718390804597701 x 100 = 371.84%