262.71% is the change from 177 to 642
Calculation steps:
[( 642 - 177 ) ÷ 177] x 100 = 262.71%
Formula
Percentage change = [(642 - 177) / 177] x 100
Subtract the new number by the original number
642 - 177 = 465
465 ÷ 177 = 2.6271186440677967
2.6271186440677967 x 100 = 262.71%