89.05% is the change from 210 to 397
Calculation steps:
[( 397 - 210 ) ÷ 210] x 100 = 89.05%
Formula
Percentage change = [(397 - 210) / 210] x 100
Subtract the new number by the original number
397 - 210 = 187
187 ÷ 210 = 0.8904761904761904
0.8904761904761904 x 100 = 89.05%