-53.81% is the change from 210 to 97
Calculation steps:
[( 97 - 210 ) ÷ 210] x 100 = -53.81%
Formula
Percentage change = [(97 - 210) / 210] x 100
Subtract the new number by the original number
97 - 210 = -113
-113 ÷ 210 = -0.5380952380952381
-0.5380952380952381 x 100 = -53.81%