34.76% is the change from 210 to 283
Calculation steps:
[( 283 - 210 ) ÷ 210] x 100 = 34.76%
Formula
Percentage change = [(283 - 210) / 210] x 100
Subtract the new number by the original number
283 - 210 = 73
73 ÷ 210 = 0.3476190476190476
0.3476190476190476 x 100 = 34.76%