178.46% is the change from 246 to 685
Calculation steps:
[( 685 - 246 ) ÷ 246] x 100 = 178.46%
Formula
Percentage change = [(685 - 246) / 246] x 100
Subtract the new number by the original number
685 - 246 = 439
439 ÷ 246 = 1.7845528455284554
1.7845528455284554 x 100 = 178.46%