420% is the change from 175 to 910
Calculation steps:
[( 910 - 175 ) ÷ 175] x 100 = 420%
Formula
Percentage change = [(910 - 175) / 175] x 100
Subtract the new number by the original number
910 - 175 = 735
735 ÷ 175 = 4.2
4.2 x 100 = 420%
Example