880.95% is the change from 84 to 824
Calculation steps:
[( 824 - 84 ) ÷ 84] x 100 = 880.95%
Formula
Percentage change = [(824 - 84) / 84] x 100
Subtract the new number by the original number
824 - 84 = 740
740 ÷ 84 = 8.80952380952381
8.80952380952381 x 100 = 880.95%