1012.05% is the change from 83 to 923
Calculation steps:
[( 923 - 83 ) ÷ 83] x 100 = 1012.05%
Formula
Percentage change = [(923 - 83) / 83] x 100
Subtract the new number by the original number
923 - 83 = 840
840 ÷ 83 = 10.120481927710843
10.120481927710843 x 100 = 1012.05%