-36.77% is the change from 835 to 528
Calculation steps:
[( 528 - 835 ) ÷ 835] x 100 = -36.77%
Formula
Percentage change = [(528 - 835) / 835] x 100
Subtract the new number by the original number
528 - 835 = -307
-307 ÷ 835 = -0.36766467065868264
-0.36766467065868264 x 100 = -36.77%