-36.65% is the change from 843 to 534
Calculation steps:
[( 534 - 843 ) ÷ 843] x 100 = -36.65%
Formula
Percentage change = [(534 - 843) / 843] x 100
Subtract the new number by the original number
534 - 843 = -309
-309 ÷ 843 = -0.3665480427046263
-0.3665480427046263 x 100 = -36.65%