-56.25% is the change from 208 to 91
Calculation steps:
[( 91 - 208 ) ÷ 208] x 100 = -56.25%
Formula
Percentage change = [(91 - 208) / 208] x 100
Subtract the new number by the original number
91 - 208 = -117
-117 ÷ 208 = -0.5625
-0.5625 x 100 = -56.25%