320.1% is the change from 209 to 878
Calculation steps:
[( 878 - 209 ) ÷ 209] x 100 = 320.1%
Formula
Percentage change = [(878 - 209) / 209] x 100
Subtract the new number by the original number
878 - 209 = 669
669 ÷ 209 = 3.200956937799043
3.200956937799043 x 100 = 320.1%