321.43% is the change from 42 to 177
Calculation steps:
[( 177 - 42 ) ÷ 42] x 100 = 321.43%
Formula
Percentage change = [(177 - 42) / 42] x 100
Subtract the new number by the original number
177 - 42 = 135
135 ÷ 42 = 3.2142857142857144
3.2142857142857144 x 100 = 321.43%