-37.96% is the change from 851 to 528
Calculation steps:
[( 528 - 851 ) ÷ 851] x 100 = -37.96%
Formula
Percentage change = [(528 - 851) / 851] x 100
Subtract the new number by the original number
528 - 851 = -323
-323 ÷ 851 = -0.3795534665099882
-0.3795534665099882 x 100 = -37.96%