972.84% is the change from 81 to 869
Calculation steps:
[( 869 - 81 ) ÷ 81] x 100 = 972.84%
Formula
Percentage change = [(869 - 81) / 81] x 100
Subtract the new number by the original number
869 - 81 = 788
788 ÷ 81 = 9.728395061728396
9.728395061728396 x 100 = 972.84%