366.22% is the change from 74 to 345
Calculation steps:
[( 345 - 74 ) ÷ 74] x 100 = 366.22%
Formula
Percentage change = [(345 - 74) / 74] x 100
Subtract the new number by the original number
345 - 74 = 271
271 ÷ 74 = 3.6621621621621623
3.6621621621621623 x 100 = 366.22%