177.1% is the change from 345 to 956
Calculation steps:
[( 956 - 345 ) ÷ 345] x 100 = 177.1%
Formula
Percentage change = [(956 - 345) / 345] x 100
Subtract the new number by the original number
956 - 345 = 611
611 ÷ 345 = 1.771014492753623
1.771014492753623 x 100 = 177.1%