-14.49% is the change from 959 to 820
Calculation steps:
[( 820 - 959 ) ÷ 959] x 100 = -14.49%
Formula
Percentage change = [(820 - 959) / 959] x 100
Subtract the new number by the original number
820 - 959 = -139
-139 ÷ 959 = -0.14494264859228362
-0.14494264859228362 x 100 = -14.49%