151.45% is the change from 346 to 870
Calculation steps:
[( 870 - 346 ) ÷ 346] x 100 = 151.45%
Formula
Percentage change = [(870 - 346) / 346] x 100
Subtract the new number by the original number
870 - 346 = 524
524 ÷ 346 = 1.5144508670520231
1.5144508670520231 x 100 = 151.45%