-29.29% is the change from 297 to 210
Calculation steps:
[( 210 - 297 ) ÷ 297] x 100 = -29.29%
Formula
Percentage change = [(210 - 297) / 297] x 100
Subtract the new number by the original number
210 - 297 = -87
-87 ÷ 297 = -0.29292929292929293
-0.29292929292929293 x 100 = -29.29%