-84.62% is the change from 65 to 10
Calculation steps:
[( 10 - 65 ) ÷ 65] x 100 = -84.62%
Formula
Percentage change = [(10 - 65) / 65] x 100
Subtract the new number by the original number
10 - 65 = -55
-55 ÷ 65 = -0.8461538461538461
-0.8461538461538461 x 100 = -84.62%