1877.78% is the change from 9 to 178
Calculation steps:
[( 178 - 9 ) ÷ 9] x 100 = 1877.78%
Formula
Percentage change = [(178 - 9) / 9] x 100
Subtract the new number by the original number
178 - 9 = 169
169 ÷ 9 = 18.77777777777778
18.77777777777778 x 100 = 1877.78%