41.43% is the change from 210 to 297
Calculation steps:
[( 297 - 210 ) ÷ 210] x 100 = 41.43%
Formula
Percentage change = [(297 - 210) / 210] x 100
Subtract the new number by the original number
297 - 210 = 87
87 ÷ 210 = 0.4142857142857143
0.4142857142857143 x 100 = 41.43%