747.62% is the change from 21 to 178
Calculation steps:
[( 178 - 21 ) ÷ 21] x 100 = 747.62%
Formula
Percentage change = [(178 - 21) / 21] x 100
Subtract the new number by the original number
178 - 21 = 157
157 ÷ 21 = 7.476190476190476
7.476190476190476 x 100 = 747.62%