-75.46% is the change from 823 to 202
Calculation steps:
[( 202 - 823 ) ÷ 823] x 100 = -75.46%
Formula
Percentage change = [(202 - 823) / 823] x 100
Subtract the new number by the original number
202 - 823 = -621
-621 ÷ 823 = -0.7545565006075334
-0.7545565006075334 x 100 = -75.46%