-34.94% is the change from 807 to 525
Calculation steps:
[( 525 - 807 ) ÷ 807] x 100 = -34.94%
Formula
Percentage change = [(525 - 807) / 807] x 100
Subtract the new number by the original number
525 - 807 = -282
-282 ÷ 807 = -0.34944237918215615
-0.34944237918215615 x 100 = -34.94%