353.95% is the change from 76 to 345
Calculation steps:
[( 345 - 76 ) ÷ 76] x 100 = 353.95%
Formula
Percentage change = [(345 - 76) / 76] x 100
Subtract the new number by the original number
345 - 76 = 269
269 ÷ 76 = 3.539473684210526
3.539473684210526 x 100 = 353.95%