-57.89% is the change from 209 to 88
Calculation steps:
[( 88 - 209 ) ÷ 209] x 100 = -57.89%
Formula
Percentage change = [(88 - 209) / 209] x 100
Subtract the new number by the original number
88 - 209 = -121
-121 ÷ 209 = -0.5789473684210527
-0.5789473684210527 x 100 = -57.89%