-85.42% is the change from 535 to 78
Calculation steps:
[( 78 - 535 ) ÷ 535] x 100 = -85.42%
Formula
Percentage change = [(78 - 535) / 535] x 100
Subtract the new number by the original number
78 - 535 = -457
-457 ÷ 535 = -0.8542056074766355
-0.8542056074766355 x 100 = -85.42%