90.75% is the change from 346 to 660
Calculation steps:
[( 660 - 346 ) ÷ 346] x 100 = 90.75%
Formula
Percentage change = [(660 - 346) / 346] x 100
Subtract the new number by the original number
660 - 346 = 314
314 ÷ 346 = 0.9075144508670521
0.9075144508670521 x 100 = 90.75%