209.52% is the change from 210 to 650
Calculation steps:
[( 650 - 210 ) ÷ 210] x 100 = 209.52%
Formula
Percentage change = [(650 - 210) / 210] x 100
Subtract the new number by the original number
650 - 210 = 440
440 ÷ 210 = 2.0952380952380953
2.0952380952380953 x 100 = 209.52%