134.5% is the change from 371 to 870
Calculation steps:
[( 870 - 371 ) ÷ 371] x 100 = 134.5%
Formula
Percentage change = [(870 - 371) / 371] x 100
Subtract the new number by the original number
870 - 371 = 499
499 ÷ 371 = 1.3450134770889488
1.3450134770889488 x 100 = 134.5%