158.24% is the change from 340 to 878
Calculation steps:
[( 878 - 340 ) ÷ 340] x 100 = 158.24%
Formula
Percentage change = [(878 - 340) / 340] x 100
Subtract the new number by the original number
878 - 340 = 538
538 ÷ 340 = 1.5823529411764705
1.5823529411764705 x 100 = 158.24%