150.29% is the change from 346 to 866
Calculation steps:
[( 866 - 346 ) ÷ 346] x 100 = 150.29%
Formula
Percentage change = [(866 - 346) / 346] x 100
Subtract the new number by the original number
866 - 346 = 520
520 ÷ 346 = 1.5028901734104045
1.5028901734104045 x 100 = 150.29%