-81.72% is the change from 536 to 98
Calculation steps:
[( 98 - 536 ) ÷ 536] x 100 = -81.72%
Formula
Percentage change = [(98 - 536) / 536] x 100
Subtract the new number by the original number
98 - 536 = -438
-438 ÷ 536 = -0.8171641791044776
-0.8171641791044776 x 100 = -81.72%