91.43% is the change from 210 to 402
Calculation steps:
[( 402 - 210 ) ÷ 210] x 100 = 91.43%
Formula
Percentage change = [(402 - 210) / 210] x 100
Subtract the new number by the original number
402 - 210 = 192
192 ÷ 210 = 0.9142857142857143
0.9142857142857143 x 100 = 91.43%