-81.4% is the change from 527 to 98
Calculation steps:
[( 98 - 527 ) ÷ 527] x 100 = -81.4%
Formula
Percentage change = [(98 - 527) / 527] x 100
Subtract the new number by the original number
98 - 527 = -429
-429 ÷ 527 = -0.8140417457305503
-0.8140417457305503 x 100 = -81.4%