1% is the change from 200 to 202
Calculation steps:
[( 202 - 200 ) ÷ 200] x 100 = 1%
Formula
Percentage change = [(202 - 200) / 200] x 100
Subtract the new number by the original number
202 - 200 = 2
2 ÷ 200 = 0.01
0.01 x 100 = 1%
Example