242.42% is the change from 198 to 678
Calculation steps:
[( 678 - 198 ) ÷ 198] x 100 = 242.42%
Formula
Percentage change = [(678 - 198) / 198] x 100
Subtract the new number by the original number
678 - 198 = 480
480 ÷ 198 = 2.4242424242424243
2.4242424242424243 x 100 = 242.42%