69.52% is the change from 210 to 356
Calculation steps:
[( 356 - 210 ) ÷ 210] x 100 = 69.52%
Formula
Percentage change = [(356 - 210) / 210] x 100
Subtract the new number by the original number
356 - 210 = 146
146 ÷ 210 = 0.6952380952380952
0.6952380952380952 x 100 = 69.52%