-33.84% is the change from 786 to 520
Calculation steps:
[( 520 - 786 ) ÷ 786] x 100 = -33.84%
Formula
Percentage change = [(520 - 786) / 786] x 100
Subtract the new number by the original number
520 - 786 = -266
-266 ÷ 786 = -0.3384223918575064
-0.3384223918575064 x 100 = -33.84%