963.86% is the change from 83 to 883
Calculation steps:
[( 883 - 83 ) ÷ 83] x 100 = 963.86%
Formula
Percentage change = [(883 - 83) / 83] x 100
Subtract the new number by the original number
883 - 83 = 800
800 ÷ 83 = 9.63855421686747
9.63855421686747 x 100 = 963.86%