-81.84% is the change from 534 to 97
Calculation steps:
[( 97 - 534 ) ÷ 534] x 100 = -81.84%
Formula
Percentage change = [(97 - 534) / 534] x 100
Subtract the new number by the original number
97 - 534 = -437
-437 ÷ 534 = -0.8183520599250936
-0.8183520599250936 x 100 = -81.84%