1928.57% is the change from 7 to 142
Calculation steps:
[( 142 - 7 ) ÷ 7] x 100 = 1928.57%
Formula
Percentage change = [(142 - 7) / 7] x 100
Subtract the new number by the original number
142 - 7 = 135
135 ÷ 7 = 19.285714285714285
19.285714285714285 x 100 = 1928.57%