-58.1% is the change from 210 to 88
Calculation steps:
[( 88 - 210 ) ÷ 210] x 100 = -58.1%
Formula
Percentage change = [(88 - 210) / 210] x 100
Subtract the new number by the original number
88 - 210 = -122
-122 ÷ 210 = -0.580952380952381
-0.580952380952381 x 100 = -58.1%