98.02% is the change from 202 to 400
Calculation steps:
[( 400 - 202 ) ÷ 202] x 100 = 98.02%
Formula
Percentage change = [(400 - 202) / 202] x 100
Subtract the new number by the original number
400 - 202 = 198
198 ÷ 202 = 0.9801980198019802
0.9801980198019802 x 100 = 98.02%