-37.37% is the change from 843 to 528
Calculation steps:
[( 528 - 843 ) ÷ 843] x 100 = -37.37%
Formula
Percentage change = [(528 - 843) / 843] x 100
Subtract the new number by the original number
528 - 843 = -315
-315 ÷ 843 = -0.3736654804270463
-0.3736654804270463 x 100 = -37.37%