948.19% is the change from 83 to 870
Calculation steps:
[( 870 - 83 ) ÷ 83] x 100 = 948.19%
Formula
Percentage change = [(870 - 83) / 83] x 100
Subtract the new number by the original number
870 - 83 = 787
787 ÷ 83 = 9.481927710843374
9.481927710843374 x 100 = 948.19%