420.34% is the change from 177 to 921
Calculation steps:
[( 921 - 177 ) ÷ 177] x 100 = 420.34%
Formula
Percentage change = [(921 - 177) / 177] x 100
Subtract the new number by the original number
921 - 177 = 744
744 ÷ 177 = 4.203389830508475
4.203389830508475 x 100 = 420.34%