785.86% is the change from 99 to 877
Calculation steps:
[( 877 - 99 ) ÷ 99] x 100 = 785.86%
Formula
Percentage change = [(877 - 99) / 99] x 100
Subtract the new number by the original number
877 - 99 = 778
778 ÷ 99 = 7.858585858585859
7.858585858585859 x 100 = 785.86%