174.49% is the change from 345 to 947
Calculation steps:
[( 947 - 345 ) ÷ 345] x 100 = 174.49%
Formula
Percentage change = [(947 - 345) / 345] x 100
Subtract the new number by the original number
947 - 345 = 602
602 ÷ 345 = 1.7449275362318841
1.7449275362318841 x 100 = 174.49%